def send_email(subject, body, send_to):
try:
msg = EmailMessage(subject, body, Config.MAIL_USERNAME, [send_to])
msg.content_subtype = "html"
msg.send()
return True
except:
current_app.logger.info(
'ERR - Cannot send email, please check MAIL settings')
current_app.logger.info(' -> MAIL Subject: ' + subject)
current_app.logger.info(' -> MAIL Body: ' + body)
return False
def background_task(
channel_url, text, subscribers, subject, mfrom, send_uid, attachments=[]
):
logger.info(
'Start send "{subject}" to {subscribers} recipients through channel "{channel}".'.format( # noqa
subject=subject, subscribers=len(subscribers), channel=channel_url
)
)
try:
with app.mail.get_connection() as conn:
for i, mto in enumerate(subscribers):
msg = EmailMessage(
from_email=mfrom,
to=[mto],
body=text,
subject=subject,
connection=conn,
)
msg.content_subtype = "html"
for attachment in attachments:
msg.attach(
filename=attachment.get("filename", ""),
content=attachment.get("data", ""),
mimetype=attachment.get("content_type", ""),
)
try:
msg.send()
except SMTPRecipientsRefused:
logger.info("[SKIP] - {}: invalid address.".format(mto))
if (i + 1) % 1000 == 0:
logger.info(
"- Sending status: {}/{}".format(i + 1, len(subscribers))
)
except Exception as e:
logger.error("Message not sent:")
logger.exception(e)
send_complete(channel_url=channel_url, send_uid=send_uid, error=True)
return
send_complete(channel_url=channel_url, send_uid=send_uid)
logger.info("Task complete.")