def import_from_csv(batch_import: BatchImport, user: User, lines):
reader = csv.DictReader(lines)
for row in reader:
try:
full_alias = sanitize_email(row["alias"])
note = row["note"]
except KeyError:
LOG.warning("Cannot parse row %s", row)
continue
alias_domain = get_email_domain_part(full_alias)
custom_domain = CustomDomain.get_by(domain=alias_domain)
if (not custom_domain or not custom_domain.verified
or custom_domain.user_id != user.id):
LOG.debug("domain %s can't be used %s", alias_domain, user)
continue
if (Alias.get_by(email=full_alias)
or DeletedAlias.get_by(email=full_alias)
or DomainDeletedAlias.get_by(email=full_alias)):
LOG.d("alias already used %s", full_alias)
continue
mailboxes = []
if "mailboxes" in row:
for mailbox_email in row["mailboxes"].split():
mailbox_email = sanitize_email(mailbox_email)
mailbox = Mailbox.get_by(email=mailbox_email)
if not mailbox or not mailbox.verified or mailbox.user_id != user.id:
LOG.d("mailbox %s can't be used %s", mailbox, user)
continue
mailboxes.append(mailbox.id)
if len(mailboxes) == 0:
mailboxes = [user.default_mailbox_id]
alias = Alias.create(
user_id=user.id,
email=full_alias,
note=note,
mailbox_id=mailboxes[0],
custom_domain_id=custom_domain.id,
batch_import_id=batch_import.id,
)
db.session.commit()
db.session.flush()
LOG.d("Create %s", alias)
for i in range(1, len(mailboxes)):
alias_mailbox = AliasMailbox.create(
alias_id=alias.id,
mailbox_id=mailboxes[i],
)
db.session.commit()
LOG.d("Create %s", alias_mailbox)
def try_auto_create_catch_all_domain(address: str) -> Optional[Alias]:
"""Try to create an alias with catch-all domain"""
# try to create alias on-the-fly with custom-domain catch-all feature
# check if alias is custom-domain alias and if the custom-domain has catch-all enabled
alias_domain = get_email_domain_part(address)
custom_domain: CustomDomain = CustomDomain.get_by(domain=alias_domain)
if not custom_domain:
return None
# custom_domain exists
if not custom_domain.catch_all:
return None
# custom_domain has catch-all enabled
domain_user: User = custom_domain.user
if not domain_user.can_create_new_alias():
send_cannot_create_domain_alias(domain_user, address, alias_domain)
return None
try:
LOG.d("create alias %s for domain %s", address, custom_domain)
mailboxes = custom_domain.mailboxes
alias = Alias.create(
email=address,
user_id=custom_domain.user_id,
custom_domain_id=custom_domain.id,
automatic_creation=True,
mailbox_id=mailboxes[0].id,
)
db.session.flush()
for i in range(1, len(mailboxes)):
AliasMailbox.create(
alias_id=alias.id,
mailbox_id=mailboxes[i].id,
)
db.session.commit()
return alias
except AliasInTrashError:
LOG.warning(
"Alias %s was deleted before, cannot auto-create using domain catch-all %s, user %s",
address,
custom_domain,
domain_user,
)
return None
except IntegrityError:
LOG.warning("Alias %s already exists", address)
db.session.rollback()
alias = Alias.get_by(email=address)
return alias
except DataError:
LOG.warning("Cannot create alias %s", address)
db.session.rollback()
return None
def custom_domain():
custom_domains = CustomDomain.query.filter_by(
user_id=current_user.id).all()
new_custom_domain_form = NewCustomDomainForm()
errors = {}
if request.method == "POST":
if request.form.get("form-name") == "create":
if not current_user.is_premium():
flash("Only premium plan can add custom domain", "warning")
return redirect(url_for("dashboard.custom_domain"))
if new_custom_domain_form.validate():
new_domain = new_custom_domain_form.domain.data.lower().strip()
if new_domain.startswith("http://"):
new_domain = new_domain[len("http://"):]
if new_domain.startswith("https://"):
new_domain = new_domain[len("https://"):]
if CustomDomain.get_by(domain=new_domain):
flash(f"{new_domain} already added", "warning")
elif get_email_domain_part(current_user.email) == new_domain:
flash(
"You cannot add a domain that you are currently using for your personal email. "
"Please change your personal email to your real email",
"error",
)
else:
new_custom_domain = CustomDomain.create(
domain=new_domain, user_id=current_user.id)
db.session.commit()
flash(f"New domain {new_custom_domain.domain} is created",
"success")
return redirect(
url_for(
"dashboard.domain_detail_dns",
custom_domain_id=new_custom_domain.id,
))
return render_template(
"dashboard/custom_domain.html",
custom_domains=custom_domains,
new_custom_domain_form=new_custom_domain_form,
EMAIL_SERVERS_WITH_PRIORITY=EMAIL_SERVERS_WITH_PRIORITY,
errors=errors,
)
def handle_batch_import(batch_import: BatchImport):
user = batch_import.user
batch_import.processed = True
db.session.commit()
LOG.debug("Start batch import for %s %s", batch_import, user)
file_url = s3.get_url(batch_import.file.path)
LOG.d("Download file %s from %s", batch_import.file, file_url)
r = requests.get(file_url)
lines = [l.decode() for l in r.iter_lines()]
reader = csv.DictReader(lines)
for row in reader:
try:
full_alias = row["alias"].lower().strip().replace(" ", "")
note = row["note"]
except KeyError:
LOG.warning("Cannot parse row %s", row)
continue
alias_domain = get_email_domain_part(full_alias)
custom_domain = CustomDomain.get_by(domain=alias_domain)
if (
not custom_domain
or not custom_domain.verified
or custom_domain.user_id != user.id
):
LOG.debug("domain %s can't be used %s", alias_domain, user)
continue
if (
Alias.get_by(email=full_alias)
or DeletedAlias.get_by(email=full_alias)
or DomainDeletedAlias.get_by(email=full_alias)
):
LOG.d("alias already used %s", full_alias)
continue
alias = Alias.create(
user_id=user.id,
email=full_alias,
note=note,
mailbox_id=user.default_mailbox_id,
custom_domain_id=custom_domain.id,
batch_import_id=batch_import.id,
)
db.session.commit()
LOG.d("Create %s", alias)
def migrate_domain_trash():
"""Move aliases from global trash to domain trash if applicable"""
# ignore duplicate when insert
# copied from https://github.com/sqlalchemy/sqlalchemy/issues/5374
@compiles(Insert, "postgresql")
def postgresql_on_conflict_do_nothing(insert, compiler, **kw):
statement = compiler.visit_insert(insert, **kw)
# IF we have a "RETURNING" clause, we must insert before it
returning_position = statement.find("RETURNING")
if returning_position >= 0:
return (statement[:returning_position] +
"ON CONFLICT DO NOTHING " + statement[returning_position:])
else:
return statement + " ON CONFLICT DO NOTHING"
sl_domains = [sl.domain for sl in SLDomain.all()]
count = 0
domain_deleted_aliases = []
deleted_alias_ids = []
for deleted_alias in DeletedAlias.yield_per_query():
if count % 1000 == 0:
LOG.d("process %s", count)
count += 1
alias_domain = get_email_domain_part(deleted_alias.email)
if alias_domain not in sl_domains:
custom_domain = CustomDomain.get_by(domain=alias_domain)
if custom_domain:
LOG.w("move %s to domain %s trash", deleted_alias,
custom_domain)
domain_deleted_aliases.append(
DomainDeletedAlias(
user_id=custom_domain.user_id,
email=deleted_alias.email,
domain_id=custom_domain.id,
created_at=deleted_alias.created_at,
))
deleted_alias_ids.append(deleted_alias.id)
LOG.d("create %s DomainDeletedAlias", len(domain_deleted_aliases))
Session.bulk_save_objects(domain_deleted_aliases)
LOG.d("delete %s DeletedAlias", len(deleted_alias_ids))
DeletedAlias.filter(DeletedAlias.id.in_(deleted_alias_ids)).delete(
synchronize_session=False)
Session.commit()
def migrate_domain_trash():
"""Move aliases from global trash to domain trash if applicable"""
for deleted_alias in DeletedAlias.query.all():
alias_domain = get_email_domain_part(deleted_alias.email)
if alias_domain not in ALIAS_DOMAINS:
domain = CustomDomain.get_by(domain=alias_domain)
if domain:
LOG.d("move %s to domain %s trash", deleted_alias, domain)
DomainDeletedAlias.create(
user_id=domain.user_id,
email=deleted_alias.email,
domain_id=domain.id,
created_at=deleted_alias.created_at,
)
DeletedAlias.delete(deleted_alias.id)
db.session.commit()
def set_custom_domain_for_alias():
"""Go through all aliases and make sure custom_domain is correctly set"""
sl_domains = [sl_domain.domain for sl_domain in SLDomain.query.all()]
for alias in Alias.query.filter(Alias.custom_domain_id.is_(None)):
if (
not any(alias.email.endswith(f"@{sl_domain}") for sl_domain in sl_domains)
and not alias.custom_domain_id
):
alias_domain = get_email_domain_part(alias.email)
custom_domain = CustomDomain.get_by(domain=alias_domain)
if custom_domain:
LOG.exception("set %s for %s", custom_domain, alias)
alias.custom_domain_id = custom_domain.id
else: # phantom domain
LOG.d("phantom domain %s %s %s", alias.user, alias, alias.enabled)
db.session.commit()
def try_auto_create_catch_all_domain(address: str) -> Optional[Alias]:
"""Try to create an alias with catch-all domain"""
# try to create alias on-the-fly with custom-domain catch-all feature
# check if alias is custom-domain alias and if the custom-domain has catch-all enabled
alias_domain = get_email_domain_part(address)
custom_domain = CustomDomain.get_by(domain=alias_domain)
if not custom_domain:
return None
# custom_domain exists
if not custom_domain.catch_all:
return None
# custom_domain has catch-all enabled
domain_user: User = custom_domain.user
if not domain_user.can_create_new_alias():
send_cannot_create_domain_alias(domain_user, address, alias_domain)
return None
# if alias has been deleted before, do not auto-create it
if DeletedAlias.get_by(email=address):
LOG.warning(
"Alias %s was deleted before, cannot auto-create using domain catch-all %s, user %s",
address,
custom_domain,
domain_user,
)
return None
LOG.d("create alias %s for domain %s", address, custom_domain)
alias = Alias.create(
email=address,
user_id=custom_domain.user_id,
custom_domain_id=custom_domain.id,
automatic_creation=True,
mailbox_id=domain_user.default_mailbox_id,
)
db.session.commit()
return alias
def migrate_domain_trash():
"""Move aliases from global trash to domain trash if applicable"""
for deleted_alias in DeletedAlias.query.all():
alias_domain = get_email_domain_part(deleted_alias.email)
if not SLDomain.get_by(domain=alias_domain):
custom_domain = CustomDomain.get_by(domain=alias_domain)
if custom_domain:
LOG.d("move %s to domain %s trash", deleted_alias,
custom_domain)
db.session.add(
DomainDeletedAlias(
user_id=custom_domain.user_id,
email=deleted_alias.email,
domain_id=custom_domain.id,
created_at=deleted_alias.created_at,
))
DeletedAlias.delete(deleted_alias.id)
db.session.commit()
def try_auto_create_via_domain(address: str) -> Optional[Alias]:
"""Try to create an alias with catch-all or auto-create rules on custom domain"""
# try to create alias on-the-fly with custom-domain catch-all feature
# check if alias is custom-domain alias and if the custom-domain has catch-all enabled
alias_domain = get_email_domain_part(address)
custom_domain: CustomDomain = CustomDomain.get_by(domain=alias_domain)
if not custom_domain:
return None
if not custom_domain.catch_all and len(
custom_domain.auto_create_rules) == 0:
return None
elif not custom_domain.catch_all and len(
custom_domain.auto_create_rules) > 0:
local = get_email_local_part(address)
for rule in custom_domain.auto_create_rules:
if regex_match(rule.regex, local):
LOG.d(
"%s passes %s on %s",
address,
rule.regex,
custom_domain,
)
alias_note = f"Created by rule {rule.order} with regex {rule.regex}"
mailboxes = rule.mailboxes
break
else: # no rule passes
LOG.d("no rule passed to create %s", local)
return
else: # catch-all is enabled
mailboxes = custom_domain.mailboxes
alias_note = "Created by catch-all option"
domain_user: User = custom_domain.user
if not domain_user.can_create_new_alias():
send_cannot_create_domain_alias(domain_user, address, alias_domain)
return None
# a rule can have 0 mailboxes. Happened when a mailbox is deleted
if not mailboxes:
LOG.d("use %s default mailbox for %s %s", domain_user, address,
custom_domain)
mailboxes = [domain_user.default_mailbox]
try:
LOG.d("create alias %s for domain %s", address, custom_domain)
alias = Alias.create(
email=address,
user_id=custom_domain.user_id,
custom_domain_id=custom_domain.id,
automatic_creation=True,
mailbox_id=mailboxes[0].id,
)
if not custom_domain.user.disable_automatic_alias_note:
alias.note = alias_note
Session.flush()
for i in range(1, len(mailboxes)):
AliasMailbox.create(
alias_id=alias.id,
mailbox_id=mailboxes[i].id,
)
Session.commit()
return alias
except AliasInTrashError:
LOG.w(
"Alias %s was deleted before, cannot auto-create using domain catch-all %s, user %s",
address,
custom_domain,
domain_user,
)
return None
except IntegrityError:
LOG.w("Alias %s already exists", address)
Session.rollback()
alias = Alias.get_by(email=address)
return alias
except DataError:
LOG.w("Cannot create alias %s", address)
Session.rollback()
return None
def authorize():
"""
Redirected from client when user clicks on "Login with Server".
This is a GET request with the following field in url
- client_id
- (optional) state
- response_type: must be code
"""
oauth_client_id = request.args.get("client_id")
state = request.args.get("state")
scope = request.args.get("scope")
redirect_uri = request.args.get("redirect_uri")
response_mode = request.args.get("response_mode")
nonce = request.args.get("nonce")
try:
response_types: [ResponseType] = get_response_types(request)
except ValueError:
return (
"response_type must be code, token, id_token or certain combination of these."
" Please see /.well-known/openid-configuration to see what response_type are supported ",
400,
)
if set(response_types) not in SUPPORTED_OPENID_FLOWS:
return (
f"SimpleLogin only support the following OIDC flows: {SUPPORTED_OPENID_FLOWS_STR}",
400,
)
if not redirect_uri:
LOG.d("no redirect uri")
return "redirect_uri must be set", 400
client = Client.get_by(oauth_client_id=oauth_client_id)
if not client:
final_redirect_uri = (
f"{redirect_uri}?error=invalid_client_id&client_id={oauth_client_id}"
)
return redirect(final_redirect_uri)
# check if redirect_uri is valid
# allow localhost by default
hostname, scheme = get_host_name_and_scheme(redirect_uri)
if hostname != "localhost" and hostname != "127.0.0.1":
# support custom scheme for mobile app
if scheme == "http":
final_redirect_uri = f"{redirect_uri}?error=http_not_allowed"
return redirect(final_redirect_uri)
if not RedirectUri.get_by(client_id=client.id, uri=redirect_uri):
final_redirect_uri = f"{redirect_uri}?error=unknown_redirect_uri"
return redirect(final_redirect_uri)
# redirect from client website
if request.method == "GET":
if current_user.is_authenticated:
suggested_email, other_emails, email_suffix = None, [], None
suggested_name, other_names = None, []
# user has already allowed this client
client_user: ClientUser = ClientUser.get_by(
client_id=client.id, user_id=current_user.id)
user_info = {}
if client_user:
LOG.debug("user %s has already allowed client %s",
current_user, client)
user_info = client_user.get_user_info()
else:
suggested_email, other_emails = current_user.suggested_emails(
client.name)
suggested_name, other_names = current_user.suggested_names()
user_custom_domains = [
cd.domain for cd in current_user.verified_custom_domains()
]
# List of (is_custom_domain, alias-suffix)
suffixes = []
# put custom domain first
for alias_domain in user_custom_domains:
suffixes.append((True, "@" + alias_domain))
# then default domain
for domain in ALIAS_DOMAINS:
suffixes.append((
False,
("" if DISABLE_ALIAS_SUFFIX else "." + random_word()) +
"@" + domain,
))
return render_template(
"oauth/authorize.html",
Scope=Scope,
EMAIL_DOMAIN=EMAIL_DOMAIN,
**locals(),
)
else:
# after user logs in, redirect user back to this page
return render_template(
"oauth/authorize_nonlogin_user.html",
client=client,
next=request.url,
Scope=Scope,
)
else: # POST - user allows or denies
if request.form.get("button") == "deny":
LOG.debug("User %s denies Client %s", current_user, client)
final_redirect_uri = f"{redirect_uri}?error=deny&state={state}"
return redirect(final_redirect_uri)
LOG.debug("User %s allows Client %s", current_user, client)
client_user = ClientUser.get_by(client_id=client.id,
user_id=current_user.id)
# user has already allowed this client, user cannot change information
if client_user:
LOG.d("user %s has already allowed client %s", current_user,
client)
else:
alias_prefix = request.form.get("prefix")
alias_suffix = request.form.get("suffix")
gen_email = None
# user creates a new alias, not using suggested alias
if alias_prefix:
# should never happen as this is checked on the front-end
if not current_user.can_create_new_alias():
raise Exception(
f"User {current_user} cannot create custom email")
user_custom_domains = [
cd.domain for cd in current_user.verified_custom_domains()
]
from app.dashboard.views.custom_alias import verify_prefix_suffix
if verify_prefix_suffix(current_user, alias_prefix,
alias_suffix, user_custom_domains):
full_alias = alias_prefix + alias_suffix
if GenEmail.get_by(
email=full_alias) or DeletedAlias.get_by(
email=full_alias):
LOG.error("alias %s already used, very rare!",
full_alias)
flash(f"Alias {full_alias} already used", "error")
return redirect(request.url)
else:
gen_email = GenEmail.create(
user_id=current_user.id,
email=full_alias,
mailbox_id=current_user.default_mailbox_id,
)
# get the custom_domain_id if alias is created with a custom domain
alias_domain = get_email_domain_part(full_alias)
custom_domain = CustomDomain.get_by(
domain=alias_domain)
if custom_domain:
gen_email.custom_domain_id = custom_domain.id
db.session.flush()
flash(f"Alias {full_alias} has been created",
"success")
# only happen if the request has been "hacked"
else:
flash("something went wrong", "warning")
return redirect(request.url)
# User chooses one of the suggestions
else:
chosen_email = request.form.get("suggested-email")
# todo: add some checks on chosen_email
if chosen_email != current_user.email:
gen_email = GenEmail.get_by(email=chosen_email)
if not gen_email:
gen_email = GenEmail.create(
email=chosen_email,
user_id=current_user.id,
mailbox_id=current_user.default_mailbox_id,
)
db.session.flush()
suggested_name = request.form.get("suggested-name")
custom_name = request.form.get("custom-name")
use_default_avatar = request.form.get("avatar-choice") == "default"
client_user = ClientUser.create(client_id=client.id,
user_id=current_user.id)
if gen_email:
client_user.gen_email_id = gen_email.id
if custom_name:
client_user.name = custom_name
elif suggested_name != current_user.name:
client_user.name = suggested_name
if use_default_avatar:
# use default avatar
LOG.d("use default avatar for user %s client %s", current_user,
client)
client_user.default_avatar = True
db.session.flush()
LOG.d("create client-user for client %s, user %s", client,
current_user)
redirect_args = {}
if state:
redirect_args["state"] = state
else:
LOG.warning(
"more security reason, state should be added. client %s",
client)
if scope:
redirect_args["scope"] = scope
auth_code = None
if ResponseType.CODE in response_types:
# Create authorization code
auth_code = AuthorizationCode.create(
client_id=client.id,
user_id=current_user.id,
code=random_string(),
scope=scope,
redirect_uri=redirect_uri,
response_type=response_types_to_str(response_types),
)
db.session.add(auth_code)
redirect_args["code"] = auth_code.code
oauth_token = None
if ResponseType.TOKEN in response_types:
# create access-token
oauth_token = OauthToken.create(
client_id=client.id,
user_id=current_user.id,
scope=scope,
redirect_uri=redirect_uri,
access_token=generate_access_token(),
response_type=response_types_to_str(response_types),
)
db.session.add(oauth_token)
redirect_args["access_token"] = oauth_token.access_token
if ResponseType.ID_TOKEN in response_types:
redirect_args["id_token"] = make_id_token(
client_user,
nonce,
oauth_token.access_token if oauth_token else None,
auth_code.code if auth_code else None,
)
db.session.commit()
# should all params appended the url using fragment (#) or query
fragment = False
if response_mode and response_mode == "fragment":
fragment = True
# if response_types contain "token" => implicit flow => should use fragment
# except if client sets explicitly response_mode
if not response_mode:
if ResponseType.TOKEN in response_types:
fragment = True
# construct redirect_uri with redirect_args
return redirect(construct_url(redirect_uri, redirect_args, fragment))
def test_get_email_domain_part():
assert get_email_domain_part("*****@*****.**") == "cd.com"
def handle_forward(self, envelope, smtp: SMTP, msg: Message) -> str:
"""return *status_code message*"""
alias = envelope.rcpt_tos[0].lower() # alias@SL
gen_email = GenEmail.get_by(email=alias)
if not gen_email:
LOG.d(
"alias %s not exist. Try to see if it can be created on the fly",
alias)
# try to see if alias could be created on-the-fly
on_the_fly = False
# check if alias belongs to a directory, ie having directory/anything@EMAIL_DOMAIN format
if email_belongs_to_alias_domains(alias):
if "/" in alias or "+" in alias or "#" in alias:
if "/" in alias:
sep = "/"
elif "+" in alias:
sep = "+"
else:
sep = "#"
directory_name = alias[:alias.find(sep)]
LOG.d("directory_name %s", directory_name)
directory = Directory.get_by(name=directory_name)
# Only premium user can use the directory feature
if directory:
dir_user = directory.user
if dir_user.is_premium():
LOG.d("create alias %s for directory %s", alias,
directory)
on_the_fly = True
gen_email = GenEmail.create(
email=alias,
user_id=directory.user_id,
directory_id=directory.id,
)
db.session.commit()
else:
LOG.error(
"User %s is not premium anymore and cannot create alias with directory",
dir_user,
)
send_cannot_create_directory_alias(
dir_user, alias, directory_name)
# try to create alias on-the-fly with custom-domain catch-all feature
# check if alias is custom-domain alias and if the custom-domain has catch-all enabled
if not on_the_fly:
alias_domain = get_email_domain_part(alias)
custom_domain = CustomDomain.get_by(domain=alias_domain)
# Only premium user can continue using the catch-all feature
if custom_domain and custom_domain.catch_all:
domain_user = custom_domain.user
if domain_user.is_premium():
LOG.d("create alias %s for domain %s", alias,
custom_domain)
on_the_fly = True
gen_email = GenEmail.create(
email=alias,
user_id=custom_domain.user_id,
custom_domain_id=custom_domain.id,
automatic_creation=True,
)
db.session.commit()
else:
LOG.error(
"User %s is not premium anymore and cannot create alias with domain %s",
domain_user,
alias_domain,
)
send_cannot_create_domain_alias(
domain_user, alias, alias_domain)
if not on_the_fly:
LOG.d("alias %s cannot be created on-the-fly, return 510",
alias)
return "510 Email not exist"
user_email = gen_email.user.email
website_email = get_email_part(msg["From"])
forward_email = ForwardEmail.get_by(gen_email_id=gen_email.id,
website_email=website_email)
if not forward_email:
LOG.debug(
"create forward email for alias %s and website email %s",
alias,
website_email,
)
# generate a reply_email, make sure it is unique
# not use while to avoid infinite loop
for _ in range(1000):
reply_email = f"reply+{random_string(30)}@{EMAIL_DOMAIN}"
if not ForwardEmail.get_by(reply_email=reply_email):
break
forward_email = ForwardEmail.create(
gen_email_id=gen_email.id,
website_email=website_email,
website_from=msg["From"],
reply_email=reply_email,
)
db.session.commit()
forward_log = ForwardEmailLog.create(forward_id=forward_email.id)
if gen_email.enabled:
# add custom header
add_or_replace_header(msg, "X-SimpleLogin-Type", "Forward")
# remove reply-to header if present
delete_header(msg, "Reply-To")
# change the from header so the sender comes from @SL
# so it can pass DMARC check
# replace the email part in from: header
from_header = (get_email_name(msg["From"]) + " - " +
website_email.replace("@", " at ") +
f" <{forward_email.reply_email}>")
msg.replace_header("From", from_header)
LOG.d("new from header:%s", from_header)
# add List-Unsubscribe header
unsubscribe_link = f"{URL}/dashboard/unsubscribe/{gen_email.id}"
add_or_replace_header(msg, "List-Unsubscribe",
f"<{unsubscribe_link}>")
add_or_replace_header(msg, "List-Unsubscribe-Post",
"List-Unsubscribe=One-Click")
add_dkim_signature(msg, EMAIL_DOMAIN)
LOG.d(
"Forward mail from %s to %s, mail_options %s, rcpt_options %s ",
website_email,
user_email,
envelope.mail_options,
envelope.rcpt_options,
)
# smtp.send_message has UnicodeEncodeErroremail issue
# encode message raw directly instead
msg_raw = msg.as_string().encode()
smtp.sendmail(
forward_email.reply_email,
user_email,
msg_raw,
envelope.mail_options,
envelope.rcpt_options,
)
else:
LOG.d("%s is disabled, do not forward", gen_email)
forward_log.blocked = True
db.session.commit()
return "250 Message accepted for delivery"
def custom_alias():
# check if user has not exceeded the alias quota
if not current_user.can_create_new_alias():
# notify admin
LOG.error("user %s tries to create custom alias", current_user)
flash(
"You have reached free plan limit, please upgrade to create new aliases",
"warning",
)
return redirect(url_for("dashboard.index"))
user_custom_domains = [cd.domain for cd in current_user.verified_custom_domains()]
# List of (is_custom_domain, alias-suffix)
suffixes = []
# put custom domain first
for alias_domain in user_custom_domains:
suffixes.append((True, "@" + alias_domain))
# then default domain
for domain in ALIAS_DOMAINS:
suffixes.append(
(
False,
("" if DISABLE_ALIAS_SUFFIX else "." + random_word()) + "@" + domain,
)
)
if request.method == "POST":
alias_prefix = request.form.get("prefix")
alias_suffix = request.form.get("suffix")
alias_note = request.form.get("note")
if verify_prefix_suffix(
current_user, alias_prefix, alias_suffix, user_custom_domains
):
full_alias = alias_prefix + alias_suffix
if GenEmail.get_by(email=full_alias) or DeletedAlias.get_by(
email=full_alias
):
LOG.d("full alias already used %s", full_alias)
flash(
f"Alias {full_alias} already exists, please choose another one",
"warning",
)
else:
gen_email = GenEmail.create(
user_id=current_user.id, email=full_alias, note=alias_note
)
# get the custom_domain_id if alias is created with a custom domain
alias_domain = get_email_domain_part(full_alias)
custom_domain = CustomDomain.get_by(domain=alias_domain)
if custom_domain:
gen_email.custom_domain_id = custom_domain.id
db.session.commit()
flash(f"Alias {full_alias} has been created", "success")
return redirect(
url_for("dashboard.index", highlight_gen_email_id=gen_email.id)
)
# only happen if the request has been "hacked"
else:
flash("something went wrong", "warning")
return render_template("dashboard/custom_alias.html", **locals())
def forward_email_to_mailbox(
alias,
msg: Message,
email_log: EmailLog,
contact: Contact,
envelope,
smtp: SMTP,
mailbox,
user,
) -> (bool, str):
LOG.d("Forward %s -> %s -> %s", contact, alias, mailbox)
# sanity check: make sure mailbox is not actually an alias
if get_email_domain_part(alias.email) == get_email_domain_part(
mailbox.email):
LOG.exception(
"Mailbox has the same domain as alias. %s -> %s -> %s",
contact,
alias,
mailbox,
)
return False, "550 SL E14"
is_spam, spam_status = get_spam_info(msg, max_score=user.max_spam_score)
if is_spam:
LOG.warning("Email detected as spam. Alias: %s, from: %s", alias,
contact)
email_log.is_spam = True
email_log.spam_status = spam_status
handle_spam(contact, alias, msg, user, mailbox.email, email_log)
return False, "550 SL E1 Email detected as spam"
# create PGP email if needed
if mailbox.pgp_finger_print and user.is_premium(
) and not alias.disable_pgp:
LOG.d("Encrypt message using mailbox %s", mailbox)
try:
msg = prepare_pgp_message(msg, mailbox.pgp_finger_print)
except PGPException:
LOG.exception("Cannot encrypt message %s -> %s. %s %s", contact,
alias, mailbox, user)
# so the client can retry later
return False, "421 SL E12 Retry later"
# add custom header
add_or_replace_header(msg, "X-SimpleLogin-Type", "Forward")
# remove reply-to & sender header if present
delete_header(msg, "Reply-To")
delete_header(msg, "Sender")
delete_header(msg, _IP_HEADER)
add_or_replace_header(msg, _MAILBOX_ID_HEADER, str(mailbox.id))
# change the from header so the sender comes from @SL
# so it can pass DMARC check
# replace the email part in from: header
contact_from_header = msg["From"]
new_from_header = contact.new_addr()
add_or_replace_header(msg, "From", new_from_header)
LOG.d("new_from_header:%s, old header %s", new_from_header,
contact_from_header)
# replace CC & To emails by reply-email for all emails that are not alias
replace_header_when_forward(msg, alias, "Cc")
replace_header_when_forward(msg, alias, "To")
# append alias into the TO header if it's not present in To or CC
if should_append_alias(msg, alias.email):
LOG.d("append alias %s to TO header %s", alias, msg["To"])
if msg["To"]:
to_header = msg["To"] + "," + alias.email
else:
to_header = alias.email
add_or_replace_header(msg, "To", to_header.strip())
# add List-Unsubscribe header
if UNSUBSCRIBER:
unsubscribe_link = f"mailto:{UNSUBSCRIBER}?subject={alias.id}="
add_or_replace_header(msg, "List-Unsubscribe", f"<{unsubscribe_link}>")
else:
unsubscribe_link = f"{URL}/dashboard/unsubscribe/{alias.id}"
add_or_replace_header(msg, "List-Unsubscribe", f"<{unsubscribe_link}>")
add_or_replace_header(msg, "List-Unsubscribe-Post",
"List-Unsubscribe=One-Click")
add_dkim_signature(msg, EMAIL_DOMAIN)
LOG.d(
"Forward mail from %s to %s, mail_options %s, rcpt_options %s ",
contact.website_email,
mailbox.email,
envelope.mail_options,
envelope.rcpt_options,
)
# smtp.send_message has UnicodeEncodeErroremail issue
# encode message raw directly instead
smtp.sendmail(
contact.reply_email,
mailbox.email,
msg.as_bytes(),
envelope.mail_options,
envelope.rcpt_options,
)
db.session.commit()
return True, "250 Message accepted for delivery"
def custom_domain():
custom_domains = CustomDomain.filter_by(user_id=current_user.id,
is_sl_subdomain=False).all()
mailboxes = current_user.mailboxes()
new_custom_domain_form = NewCustomDomainForm()
errors = {}
if request.method == "POST":
if request.form.get("form-name") == "create":
if not current_user.is_premium():
flash("Only premium plan can add custom domain", "warning")
return redirect(url_for("dashboard.custom_domain"))
if new_custom_domain_form.validate():
new_domain = new_custom_domain_form.domain.data.lower().strip()
if new_domain.startswith("http://"):
new_domain = new_domain[len("http://"):]
if new_domain.startswith("https://"):
new_domain = new_domain[len("https://"):]
if SLDomain.get_by(domain=new_domain):
flash("A custom domain cannot be a built-in domain.",
"error")
elif CustomDomain.get_by(domain=new_domain):
flash(f"{new_domain} already used", "error")
elif get_email_domain_part(current_user.email) == new_domain:
flash(
"You cannot add a domain that you are currently using for your personal email. "
"Please change your personal email to your real email",
"error",
)
elif Mailbox.filter(
Mailbox.verified.is_(True),
Mailbox.email.endswith(f"@{new_domain}")).first():
flash(
f"{new_domain} already used in a SimpleLogin mailbox",
"error")
else:
new_custom_domain = CustomDomain.create(
domain=new_domain, user_id=current_user.id)
# new domain has ownership verified if its parent has the ownership verified
for root_cd in current_user.custom_domains:
if (new_domain.endswith("." + root_cd.domain)
and root_cd.ownership_verified):
LOG.i(
"%s ownership verified thanks to %s",
new_custom_domain,
root_cd,
)
new_custom_domain.ownership_verified = True
Session.commit()
mailbox_ids = request.form.getlist("mailbox_ids")
if mailbox_ids:
# check if mailbox is not tempered with
mailboxes = []
for mailbox_id in mailbox_ids:
mailbox = Mailbox.get(mailbox_id)
if (not mailbox
or mailbox.user_id != current_user.id
or not mailbox.verified):
flash("Something went wrong, please retry",
"warning")
return redirect(
url_for("dashboard.custom_domain"))
mailboxes.append(mailbox)
for mailbox in mailboxes:
DomainMailbox.create(
domain_id=new_custom_domain.id,
mailbox_id=mailbox.id)
Session.commit()
flash(f"New domain {new_custom_domain.domain} is created",
"success")
return redirect(
url_for(
"dashboard.domain_detail_dns",
custom_domain_id=new_custom_domain.id,
))
return render_template(
"dashboard/custom_domain.html",
custom_domains=custom_domains,
new_custom_domain_form=new_custom_domain_form,
EMAIL_SERVERS_WITH_PRIORITY=EMAIL_SERVERS_WITH_PRIORITY,
errors=errors,
mailboxes=mailboxes,
)
def custom_domain():
custom_domains = CustomDomain.query.filter_by(user_id=current_user.id).all()
mailboxes = current_user.mailboxes()
new_custom_domain_form = NewCustomDomainForm()
errors = {}
if request.method == "POST":
if request.form.get("form-name") == "create":
if not current_user.is_premium():
flash("Only premium plan can add custom domain", "warning")
return redirect(url_for("dashboard.custom_domain"))
if new_custom_domain_form.validate():
new_domain = new_custom_domain_form.domain.data.lower().strip()
if new_domain.startswith("http://"):
new_domain = new_domain[len("http://") :]
if new_domain.startswith("https://"):
new_domain = new_domain[len("https://") :]
if SLDomain.get_by(domain=new_domain):
flash("A custom domain cannot be a built-in domain.", "error")
elif CustomDomain.get_by(domain=new_domain):
flash(f"{new_domain} already used", "warning")
elif get_email_domain_part(current_user.email) == new_domain:
flash(
"You cannot add a domain that you are currently using for your personal email. "
"Please change your personal email to your real email",
"error",
)
else:
new_custom_domain = CustomDomain.create(
domain=new_domain, user_id=current_user.id
)
db.session.commit()
mailbox_ids = request.form.getlist("mailbox_ids")
if mailbox_ids:
# check if mailbox is not tempered with
mailboxes = []
for mailbox_id in mailbox_ids:
mailbox = Mailbox.get(mailbox_id)
if (
not mailbox
or mailbox.user_id != current_user.id
or not mailbox.verified
):
flash("Something went wrong, please retry", "warning")
return redirect(url_for("dashboard.custom_domain"))
mailboxes.append(mailbox)
for mailbox in mailboxes:
DomainMailbox.create(
domain_id=new_custom_domain.id, mailbox_id=mailbox.id
)
db.session.commit()
flash(
f"New domain {new_custom_domain.domain} is created", "success"
)
return redirect(
url_for(
"dashboard.domain_detail_dns",
custom_domain_id=new_custom_domain.id,
)
)
elif request.form.get("form-name") == "update":
domain_id = request.form.get("domain-id")
domain = CustomDomain.get(domain_id)
if not domain or domain.user_id != current_user.id:
flash("Unknown error. Refresh the page", "warning")
return redirect(url_for("dashboard.custom_domain"))
mailbox_ids = request.form.getlist("mailbox_ids")
# check if mailbox is not tempered with
mailboxes = []
for mailbox_id in mailbox_ids:
mailbox = Mailbox.get(mailbox_id)
if (
not mailbox
or mailbox.user_id != current_user.id
or not mailbox.verified
):
flash("Something went wrong, please retry", "warning")
return redirect(url_for("dashboard.custom_domain"))
mailboxes.append(mailbox)
if not mailboxes:
flash("You must select at least 1 mailbox", "warning")
return redirect(url_for("dashboard.custom_domain"))
# first remove all existing domain-mailboxes links
DomainMailbox.query.filter_by(domain_id=domain.id).delete()
db.session.flush()
for mailbox in mailboxes:
DomainMailbox.create(domain_id=domain.id, mailbox_id=mailbox.id)
db.session.commit()
flash(f"Domain {domain.domain} has been updated", "success")
return redirect(url_for("dashboard.custom_domain"))
return render_template(
"dashboard/custom_domain.html",
custom_domains=custom_domains,
new_custom_domain_form=new_custom_domain_form,
EMAIL_SERVERS_WITH_PRIORITY=EMAIL_SERVERS_WITH_PRIORITY,
errors=errors,
mailboxes=mailboxes,
)
async def forward_email_to_mailbox(
alias,
msg: Message,
email_log: EmailLog,
contact: Contact,
envelope,
smtp: SMTP,
mailbox,
user,
) -> (bool, str):
LOG.d("Forward %s -> %s -> %s", contact, alias, mailbox)
# sanity check: make sure mailbox is not actually an alias
if get_email_domain_part(alias.email) == get_email_domain_part(
mailbox.email):
LOG.warning(
"Mailbox has the same domain as alias. %s -> %s -> %s",
contact,
alias,
mailbox,
)
mailbox_url = f"{URL}/dashboard/mailbox/{mailbox.id}/"
send_email_with_rate_control(
user,
ALERT_MAILBOX_IS_ALIAS,
user.email,
f"Your SimpleLogin mailbox {mailbox.email} cannot be an email alias",
render(
"transactional/mailbox-invalid.txt",
name=user.name or "",
mailbox=mailbox,
mailbox_url=mailbox_url,
),
render(
"transactional/mailbox-invalid.html",
name=user.name or "",
mailbox=mailbox,
mailbox_url=mailbox_url,
),
max_nb_alert=1,
)
# retry later
# so when user fixes the mailbox, the email can be delivered
return False, "421 SL E14"
# Spam check
spam_status = ""
is_spam = False
if SPAMASSASSIN_HOST:
start = time.time()
spam_score = await get_spam_score(msg)
LOG.d(
"%s -> %s - spam score %s in %s seconds",
contact,
alias,
spam_score,
time.time() - start,
)
email_log.spam_score = spam_score
db.session.commit()
if (user.max_spam_score and spam_score > user.max_spam_score) or (
not user.max_spam_score and spam_score > MAX_SPAM_SCORE):
is_spam = True
spam_status = "Spam detected by SpamAssassin server"
else:
is_spam, spam_status = get_spam_info(msg,
max_score=user.max_spam_score)
if is_spam:
LOG.warning("Email detected as spam. Alias: %s, from: %s", alias,
contact)
email_log.is_spam = True
email_log.spam_status = spam_status
db.session.commit()
handle_spam(contact, alias, msg, user, mailbox, email_log)
return False, "550 SL E1 Email detected as spam"
# create PGP email if needed
if mailbox.pgp_finger_print and user.is_premium(
) and not alias.disable_pgp:
LOG.d("Encrypt message using mailbox %s", mailbox)
try:
msg = prepare_pgp_message(msg, mailbox.pgp_finger_print)
except PGPException:
LOG.exception("Cannot encrypt message %s -> %s. %s %s", contact,
alias, mailbox, user)
# so the client can retry later
return False, "421 SL E12 Retry later"
# add custom header
add_or_replace_header(msg, _DIRECTION, "Forward")
# remove reply-to & sender header if present
delete_header(msg, "Reply-To")
delete_header(msg, "Sender")
delete_header(msg, _IP_HEADER)
add_or_replace_header(msg, _MAILBOX_ID_HEADER, str(mailbox.id))
add_or_replace_header(msg, _EMAIL_LOG_ID_HEADER, str(email_log.id))
add_or_replace_header(msg, _MESSAGE_ID,
make_msgid(str(email_log.id), EMAIL_DOMAIN))
# change the from header so the sender comes from @SL
# so it can pass DMARC check
# replace the email part in from: header
contact_from_header = msg["From"]
new_from_header = contact.new_addr()
add_or_replace_header(msg, "From", new_from_header)
LOG.d("new_from_header:%s, old header %s", new_from_header,
contact_from_header)
# replace CC & To emails by reply-email for all emails that are not alias
replace_header_when_forward(msg, alias, "Cc")
replace_header_when_forward(msg, alias, "To")
# append alias into the TO header if it's not present in To or CC
if should_append_alias(msg, alias.email):
LOG.d("append alias %s to TO header %s", alias, msg["To"])
if msg["To"]:
to_header = msg["To"] + "," + alias.email
else:
to_header = alias.email
add_or_replace_header(msg, "To", to_header.strip())
# add List-Unsubscribe header
if UNSUBSCRIBER:
unsubscribe_link = f"mailto:{UNSUBSCRIBER}?subject={alias.id}="
add_or_replace_header(msg, "List-Unsubscribe", f"<{unsubscribe_link}>")
else:
unsubscribe_link = f"{URL}/dashboard/unsubscribe/{alias.id}"
add_or_replace_header(msg, "List-Unsubscribe", f"<{unsubscribe_link}>")
add_or_replace_header(msg, "List-Unsubscribe-Post",
"List-Unsubscribe=One-Click")
add_dkim_signature(msg, EMAIL_DOMAIN)
LOG.d(
"Forward mail from %s to %s, mail_options %s, rcpt_options %s ",
contact.website_email,
mailbox.email,
envelope.mail_options,
envelope.rcpt_options,
)
# smtp.send_message has UnicodeEncodeErroremail issue
# encode message raw directly instead
try:
smtp.sendmail(
contact.reply_email,
mailbox.email,
msg.as_bytes(),
envelope.mail_options,
envelope.rcpt_options,
)
except SMTPRecipientsRefused:
# that means the mailbox is maybe invalid
LOG.warning(
"SMTPRecipientsRefused forward phase %s -> %s -> %s",
contact,
alias,
mailbox,
)
# return 421 so Postfix can retry later
return False, "421 SL E17 Retry later"
else:
db.session.commit()
return True, "250 Message accepted for delivery"
def handle_forward(self, envelope, smtp: SMTP, msg: EmailMessage) -> str:
"""return *status_code message*"""
alias = envelope.rcpt_tos[0] # alias@SL
gen_email = GenEmail.get_by(email=alias)
if not gen_email:
LOG.d("alias %s not exist")
# check if alias is custom-domain alias and if the custom-domain has catch-all enabled
alias_domain = get_email_domain_part(alias)
custom_domain = CustomDomain.get_by(domain=alias_domain)
if custom_domain and custom_domain.catch_all:
LOG.d("create alias %s for domain %s", alias, custom_domain)
gen_email = GenEmail.create(
email=alias,
user_id=custom_domain.user_id,
custom_domain_id=custom_domain.id,
automatic_creation=True,
)
db.session.commit()
else:
return "510 Email not exist"
user_email = gen_email.user.email
website_email = get_email_part(msg["From"])
forward_email = ForwardEmail.get_by(gen_email_id=gen_email.id,
website_email=website_email)
if not forward_email:
LOG.debug(
"create forward email for alias %s and website email %s",
alias,
website_email,
)
# generate a reply_email, make sure it is unique
# not use while to avoid infinite loop
for _ in range(1000):
reply_email = f"reply+{random_string(30)}@{EMAIL_DOMAIN}"
if not ForwardEmail.get_by(reply_email=reply_email):
break
forward_email = ForwardEmail.create(
gen_email_id=gen_email.id,
website_email=website_email,
website_from=msg["From"],
reply_email=reply_email,
)
db.session.commit()
forward_log = ForwardEmailLog.create(forward_id=forward_email.id)
if gen_email.enabled:
# add custom header
add_or_replace_header(msg, "X-SimpleLogin-Type", "Forward")
# remove reply-to header if present
if msg["Reply-To"]:
LOG.d("Delete reply-to header %s", msg["Reply-To"])
del msg["Reply-To"]
# change the from header so the sender comes from @SL
# so it can pass DMARC check
# replace the email part in from: header
from_header = (get_email_name(msg["From"]) + " - " +
website_email.replace("@", " at ") +
f" <{forward_email.reply_email}>")
msg.replace_header("From", from_header)
LOG.d("new from header:%s", from_header)
# add List-Unsubscribe header
unsubscribe_link = f"{URL}/dashboard/unsubscribe/{gen_email.id}"
add_or_replace_header(msg, "List-Unsubscribe",
f"<{unsubscribe_link}>")
add_or_replace_header(msg, "List-Unsubscribe-Post",
"List-Unsubscribe=One-Click")
add_dkim_signature(msg, EMAIL_DOMAIN)
LOG.d(
"Forward mail from %s to %s, mail_options %s, rcpt_options %s ",
website_email,
user_email,
envelope.mail_options,
envelope.rcpt_options,
)
# smtp.send_message has UnicodeEncodeErroremail issue
# encode message raw directly instead
msg_raw = msg.as_string().encode()
smtp.sendmail(
forward_email.reply_email,
user_email,
msg_raw,
envelope.mail_options,
envelope.rcpt_options,
)
else:
LOG.d("%s is disabled, do not forward", gen_email)
forward_log.blocked = True
db.session.commit()
return "250 Message accepted for delivery"
def handle_reply(envelope, smtp: SMTP, msg: Message,
rcpt_to: str) -> (bool, str):
"""
return whether an email has been delivered and
the smtp status ("250 Message accepted", "550 Non-existent email address", etc)
"""
reply_email = rcpt_to.lower().strip()
# reply_email must end with EMAIL_DOMAIN
if not reply_email.endswith(EMAIL_DOMAIN):
LOG.warning(f"Reply email {reply_email} has wrong domain")
return False, "550 SL E2"
contact = Contact.get_by(reply_email=reply_email)
if not contact:
LOG.warning(f"No such forward-email with {reply_email} as reply-email")
return False, "550 SL E4 Email not exist"
alias = contact.alias
address: str = contact.alias.email
alias_domain = address[address.find("@") + 1:]
# alias must end with one of the ALIAS_DOMAINS or custom-domain
if not email_belongs_to_alias_domains(alias.email):
if not CustomDomain.get_by(domain=alias_domain):
return False, "550 SL E5"
user = alias.user
mail_from = envelope.mail_from.lower().strip()
# bounce email initiated by Postfix
# can happen in case emails cannot be delivered to user-email
# in this case Postfix will try to send a bounce report to original sender, which is
# the "reply email"
if mail_from == "<>":
LOG.warning(
"Bounce when sending to alias %s from %s, user %s",
alias,
contact,
user,
)
handle_bounce(contact, alias, msg, user)
return False, "550 SL E6"
mailbox = Mailbox.get_by(email=mail_from, user_id=user.id)
if not mailbox or mailbox not in alias.mailboxes:
# only mailbox can send email to the reply-email
handle_unknown_mailbox(envelope, msg, reply_email, user, alias)
return False, "550 SL E7"
if ENFORCE_SPF and mailbox.force_spf:
ip = msg[_IP_HEADER]
if not spf_pass(ip, envelope, mailbox, user, alias,
contact.website_email, msg):
# cannot use 4** here as sender will retry. 5** because that generates bounce report
return True, "250 SL E11"
delete_header(msg, _IP_HEADER)
delete_header(msg, "DKIM-Signature")
delete_header(msg, "Received")
# make the email comes from alias
from_header = alias.email
# add alias name from alias
if alias.name:
LOG.d("Put alias name in from header")
from_header = formataddr((alias.name, alias.email))
elif alias.custom_domain:
LOG.d("Put domain default alias name in from header")
# add alias name from domain
if alias.custom_domain.name:
from_header = formataddr((alias.custom_domain.name, alias.email))
add_or_replace_header(msg, "From", from_header)
# some email providers like ProtonMail adds automatically the Reply-To field
# make sure to delete it
delete_header(msg, "Reply-To")
# remove sender header if present as this could reveal user real email
delete_header(msg, "Sender")
delete_header(msg, "X-Sender")
replace_header_when_reply(msg, alias, "To")
replace_header_when_reply(msg, alias, "Cc")
# Received-SPF is injected by postfix-policyd-spf-python can reveal user original email
delete_header(msg, "Received-SPF")
LOG.d(
"send email from %s to %s, mail_options:%s,rcpt_options:%s",
alias.email,
contact.website_email,
envelope.mail_options,
envelope.rcpt_options,
)
# replace "*****@*****.**" by the contact email in the email body
# as this is usually included when replying
if user.replace_reverse_alias:
if msg.is_multipart():
for part in msg.walk():
if part.get_content_maintype() != "text":
continue
part = replace_str_in_msg(part, reply_email,
contact.website_email)
else:
msg = replace_str_in_msg(msg, reply_email, contact.website_email)
if alias_domain in ALIAS_DOMAINS:
add_dkim_signature(msg, alias_domain)
# add DKIM-Signature for custom-domain alias
else:
custom_domain: CustomDomain = CustomDomain.get_by(domain=alias_domain)
if custom_domain.dkim_verified:
add_dkim_signature(msg, alias_domain)
# create PGP email if needed
if contact.pgp_finger_print and user.is_premium():
LOG.d("Encrypt message for contact %s", contact)
try:
msg = prepare_pgp_message(msg, contact.pgp_finger_print)
except PGPException:
LOG.exception("Cannot encrypt message %s -> %s. %s %s", alias,
contact, mailbox, user)
# so the client can retry later
return False, "421 SL E13 Retry later"
try:
smtp.sendmail(
alias.email,
contact.website_email,
msg.as_bytes(),
envelope.mail_options,
envelope.rcpt_options,
)
except Exception:
LOG.exception("Cannot send email from %s to %s", alias, contact)
send_email(
mailbox.email,
f"Email cannot be sent to {contact.email} from {alias.email}",
render(
"transactional/reply-error.txt",
user=user,
alias=alias,
contact=contact,
contact_domain=get_email_domain_part(contact.email),
),
render(
"transactional/reply-error.html",
user=user,
alias=alias,
contact=contact,
contact_domain=get_email_domain_part(contact.email),
),
)
else:
EmailLog.create(contact_id=contact.id,
is_reply=True,
user_id=contact.user_id)
db.session.commit()
return True, "250 Message accepted for delivery"
