Esempio n. 1
0
def send_one(email, smtpserver=None, auto_commit=True, now=False):
	'''Send Email Queue with given smtpserver'''

	email = frappe.db.sql('''select name, status, communication,
		message, sender, recipient, reference_doctype
		from `tabEmail Queue` where name=%s for update''', email, as_dict=True)[0]
	if email.status != 'Not Sent':
		# rollback to release lock and return
		frappe.db.rollback()
		return

	frappe.db.sql("""update `tabEmail Queue` set status='Sending', modified=%s where name=%s""",
		(now_datetime(), email.name), auto_commit=auto_commit)

	if email.communication:
		frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)

	try:
		if auto_commit:
			if not smtpserver: smtpserver = SMTPServer()
			smtpserver.setup_email_account(email.reference_doctype)
			smtpserver.sess.sendmail(email.sender, email.recipient, encode(email.message))

		frappe.db.sql("""update `tabEmail Queue` set status='Sent', modified=%s where name=%s""",
			(now_datetime(), email.name), auto_commit=auto_commit)

		if email.communication:
			frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)

	except (smtplib.SMTPServerDisconnected,
			smtplib.SMTPConnectError,
			smtplib.SMTPHeloError,
			smtplib.SMTPAuthenticationError,
			JobTimeoutException):

		# bad connection/timeout, retry later
		frappe.db.sql("""update `tabEmail Queue` set status='Not Sent', modified=%s where name=%s""",
			(now_datetime(), email.name), auto_commit=auto_commit)

		if email.communication:
			frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)

		# no need to attempt further
		return

	except Exception, e:
		frappe.db.rollback()

		frappe.db.sql("""update `tabEmail Queue` set status='Error', error=%s
			where name=%s""", (unicode(e), email.name), auto_commit=auto_commit)

		if email.communication:
			frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)

		if now:
			raise e

		else:
			# log to scheduler log
			log('frappe.email.queue.flush', unicode(e))
Esempio n. 2
0
def flush(from_test=False):
	"""flush email queue, every time: called from scheduler"""
	smtpserver = SMTPServer()

	auto_commit = not from_test

	if frappe.flags.mute_emails or frappe.conf.get("mute_emails") or False:
		msgprint(_("Emails are muted"))
		from_test = True

	for i in xrange(500):
		email = frappe.db.sql("""select * from `tabBulk Email` where
			status='Not Sent' and ifnull(send_after, "2000-01-01 00:00:00") < %s
			order by creation asc limit 1 for update""", now_datetime(), as_dict=1)
		if email:
			email = email[0]
		else:
			break

		frappe.db.sql("""update `tabBulk Email` set status='Sending' where name=%s""",
			(email["name"],), auto_commit=auto_commit)
		try:
			if not from_test:
				smtpserver.setup_email_account(email.reference_doctype)
				smtpserver.sess.sendmail(email["sender"], email["recipient"], encode(email["message"]))

			frappe.db.sql("""update `tabBulk Email` set status='Sent' where name=%s""",
				(email["name"],), auto_commit=auto_commit)

		except Exception, e:
			frappe.db.sql("""update `tabBulk Email` set status='Error', error=%s
				where name=%s""", (unicode(e), email["name"]), auto_commit=auto_commit)
Esempio n. 3
0
def flush(from_test=False):
	"""flush email queue, every time: called from scheduler"""
	smtpserver = SMTPServer()

	auto_commit = not from_test

	# additional check
	check_bulk_limit([])

	if frappe.are_emails_muted():
		msgprint(_("Emails are muted"))
		from_test = True

	frappe.db.sql("""update `tabBulk Email` set status='Expired'
		where datediff(curdate(), creation) > 3""", auto_commit=auto_commit)

	for i in xrange(100):
		email = frappe.db.sql("""select * from `tabBulk Email` where
			status='Not Sent' and ifnull(send_after, "2000-01-01 00:00:00") < %s
			order by priority desc, creation asc limit 1 for update""", now_datetime(), as_dict=1)
		if email:
			email = email[0]
		else:
			break

		frappe.db.sql("""update `tabBulk Email` set status='Sending' where name=%s""",
			(email["name"],), auto_commit=auto_commit)
		try:
			if not from_test:
				smtpserver.setup_email_account(email.reference_doctype)
				smtpserver.sess.sendmail(email["sender"], email["recipient"], encode(email["message"]))

			frappe.db.sql("""update `tabBulk Email` set status='Sent' where name=%s""",
				(email["name"],), auto_commit=auto_commit)

		except (smtplib.SMTPServerDisconnected,
				smtplib.SMTPConnectError,
				smtplib.SMTPHeloError,
				smtplib.SMTPAuthenticationError):

			# bad connection, retry later
			frappe.db.sql("""update `tabBulk Email` set status='Not Sent' where name=%s""",
				(email["name"],), auto_commit=auto_commit)

			# no need to attempt further
			return

		except Exception, e:
			frappe.db.sql("""update `tabBulk Email` set status='Error', error=%s
				where name=%s""", (unicode(e), email["name"]), auto_commit=auto_commit)

		finally:
Esempio n. 4
0
def flush(from_test=False):
	"""flush email queue, every time: called from scheduler"""
	smtpserver = SMTPServer()

	auto_commit = not from_test

	# additional check
	check_bulk_limit([])

	if frappe.are_emails_muted():
		msgprint(_("Emails are muted"))
		from_test = True

	frappe.db.sql("""update `tabBulk Email` set status='Expired'
		where datediff(curdate(), creation) > 3 and status='Not Sent'""", auto_commit=auto_commit)

	for i in xrange(500):
		email = frappe.db.sql("""select * from `tabBulk Email` where
			status='Not Sent' and ifnull(send_after, "2000-01-01 00:00:00") < %s
			order by priority desc, creation asc limit 1 for update""", now_datetime(), as_dict=1)
		if email:
			email = email[0]
		else:
			break

		frappe.db.sql("""update `tabBulk Email` set status='Sending' where name=%s""",
			(email["name"],), auto_commit=auto_commit)
		try:
			if not from_test:
				smtpserver.setup_email_account(email.reference_doctype)
				smtpserver.replace_sender_in_email(email)
				smtpserver.sess.sendmail(email["sender"], email["recipient"], encode(email["message"]))

			frappe.db.sql("""update `tabBulk Email` set status='Sent' where name=%s""",
				(email["name"],), auto_commit=auto_commit)

		except (smtplib.SMTPServerDisconnected,
				smtplib.SMTPConnectError,
				smtplib.SMTPHeloError,
				smtplib.SMTPAuthenticationError):

			# bad connection, retry later
			frappe.db.sql("""update `tabBulk Email` set status='Not Sent' where name=%s""",
				(email["name"],), auto_commit=auto_commit)

			# no need to attempt further
			return

		except Exception, e:
			frappe.db.sql("""update `tabBulk Email` set status='Error', error=%s
				where name=%s""", (unicode(e), email["name"]), auto_commit=auto_commit)
Esempio n. 5
0
def flush(from_test=False):
    """flush email queue, every time: called from scheduler"""
    smtpserver = SMTPServer()

    auto_commit = not from_test

    if frappe.flags.mute_emails or frappe.conf.get("mute_emails") or False:
        msgprint(_("Emails are muted"))
        from_test = True

    frappe.db.sql("""update `tabBulk Email` set status='Expired'
		where datediff(curdate(), creation) > 3""",
                  auto_commit=auto_commit)

    for i in xrange(500):
        email = frappe.db.sql("""select * from `tabBulk Email` where
			status='Not Sent' and ifnull(send_after, "2000-01-01 00:00:00") < %s
			order by creation asc limit 1 for update""",
                              now_datetime(),
                              as_dict=1)
        if email:
            email = email[0]
        else:
            break

        frappe.db.sql(
            """update `tabBulk Email` set status='Sending' where name=%s""",
            (email["name"], ),
            auto_commit=auto_commit)
        try:
            if not from_test:
                smtpserver.setup_email_account(email.reference_doctype)
                smtpserver.sess.sendmail(email["sender"], email["recipient"],
                                         encode(email["message"]))

            frappe.db.sql(
                """update `tabBulk Email` set status='Sent' where name=%s""",
                (email["name"], ),
                auto_commit=auto_commit)

        except Exception, e:
            frappe.db.sql(
                """update `tabBulk Email` set status='Error', error=%s
				where name=%s""", (unicode(e), email["name"]),
                auto_commit=auto_commit)
Esempio n. 6
0
def send_one(email, smtpserver=None, auto_commit=True, now=False):
    '''Send bulk email with given smtpserver'''

    if not smtpserver:
        smtpserver = SMTPServer()

    frappe.db.sql(
        """update `tabBulk Email` set status='Sending' where name=%s""",
        (email.name, ),
        auto_commit=auto_commit)
    try:
        if auto_commit:
            smtpserver.setup_email_account(email.reference_doctype)
            smtpserver.replace_sender_in_email(email)
            smtpserver.sess.sendmail(email.sender, email.recipient,
                                     encode(email.message))

        frappe.db.sql(
            """update `tabBulk Email` set status='Sent' where name=%s""",
            (email.name, ),
            auto_commit=auto_commit)

    except (smtplib.SMTPServerDisconnected, smtplib.SMTPConnectError,
            smtplib.SMTPHeloError, smtplib.SMTPAuthenticationError):

        # bad connection, retry later
        frappe.db.sql(
            """update `tabBulk Email` set status='Not Sent' where name=%s""",
            (email.name, ),
            auto_commit=auto_commit)

        # no need to attempt further
        return

    except Exception, e:
        frappe.db.sql("""update `tabBulk Email` set status='Error', error=%s
			where name=%s""", (unicode(e), email.name),
                      auto_commit=auto_commit)
        if now:
            raise e
Esempio n. 7
0
def send_one(email,
             smtpserver=None,
             auto_commit=True,
             now=False,
             from_test=False):
    '''Send Email Queue with given smtpserver'''

    email = frappe.db.sql('''select
			name, status, communication, message, sender, reference_doctype,
			reference_name, unsubscribe_param, unsubscribe_method, expose_recipients,
			show_as_cc, add_unsubscribe_link, attachments
		from
			`tabEmail Queue`
		where
			name=%s
		for update''',
                          email,
                          as_dict=True)[0]

    recipients_list = frappe.db.sql('''select name, recipient, status from
		`tabEmail Queue Recipient` where parent=%s''',
                                    email.name,
                                    as_dict=1)

    if frappe.are_emails_muted():
        frappe.msgprint(_("Emails are muted"))
        return
    if cint(frappe.defaults.get_defaults().get("hold_queue")) == 1:
        return

    if email.status not in ('Not Sent', 'Partially Sent'):
        # rollback to release lock and return
        frappe.db.rollback()
        return

    frappe.db.sql(
        """update `tabEmail Queue` set status='Sending', modified=%s where name=%s""",
        (now_datetime(), email.name),
        auto_commit=auto_commit)

    if email.communication:
        frappe.get_doc(
            'Communication',
            email.communication).set_delivery_status(commit=auto_commit)

    try:
        if not frappe.flags.in_test:
            if not smtpserver: smtpserver = SMTPServer()
            smtpserver.setup_email_account(email.reference_doctype,
                                           sender=email.sender)

        for recipient in recipients_list:
            if recipient.status != "Not Sent":
                continue

            message = prepare_message(email, recipient.recipient,
                                      recipients_list)
            if not frappe.flags.in_test:
                smtpserver.sess.sendmail(email.sender, recipient.recipient,
                                         encode(message))

            recipient.status = "Sent"
            frappe.db.sql(
                """update `tabEmail Queue Recipient` set status='Sent', modified=%s where name=%s""",
                (now_datetime(), recipient.name),
                auto_commit=auto_commit)

        #if all are sent set status
        if any("Sent" == s.status for s in recipients_list):
            frappe.db.sql(
                """update `tabEmail Queue` set status='Sent', modified=%s where name=%s""",
                (now_datetime(), email.name),
                auto_commit=auto_commit)
        else:
            frappe.db.sql(
                """update `tabEmail Queue` set status='Error', error=%s
				where name=%s""", ("No recipients to send to", email.name),
                auto_commit=auto_commit)
        if frappe.flags.in_test:
            frappe.flags.sent_mail = message
            return
        if email.communication:
            frappe.get_doc(
                'Communication',
                email.communication).set_delivery_status(commit=auto_commit)

    except (smtplib.SMTPServerDisconnected, smtplib.SMTPConnectError,
            smtplib.SMTPHeloError, smtplib.SMTPAuthenticationError,
            JobTimeoutException):

        # bad connection/timeout, retry later

        if any("Sent" == s.status for s in recipients_list):
            frappe.db.sql(
                """update `tabEmail Queue` set status='Partially Sent', modified=%s where name=%s""",
                (now_datetime(), email.name),
                auto_commit=auto_commit)
        else:
            frappe.db.sql(
                """update `tabEmail Queue` set status='Not Sent', modified=%s where name=%s""",
                (now_datetime(), email.name),
                auto_commit=auto_commit)

        if email.communication:
            frappe.get_doc(
                'Communication',
                email.communication).set_delivery_status(commit=auto_commit)

        # no need to attempt further
        return

    except Exception as e:
        frappe.db.rollback()

        if any("Sent" == s.status for s in recipients_list):
            frappe.db.sql(
                """update `tabEmail Queue` set status='Partially Errored', error=%s where name=%s""",
                (text_type(e), email.name),
                auto_commit=auto_commit)
        else:
            frappe.db.sql(
                """update `tabEmail Queue` set status='Error', error=%s
where name=%s""", (text_type(e), email.name),
                auto_commit=auto_commit)

        if email.communication:
            frappe.get_doc(
                'Communication',
                email.communication).set_delivery_status(commit=auto_commit)

        if now:
            print(frappe.get_traceback())
            raise e

        else:
            # log to Error Log
            log('frappe.email.queue.flush', text_type(e))
Esempio n. 8
0
def send_one(email, smtpserver=None, auto_commit=True, now=False, from_test=False):
	'''Send Email Queue with given smtpserver'''

	email = frappe.db.sql('''select
			name, status, communication, message, sender, reference_doctype,
			reference_name, unsubscribe_param, unsubscribe_method, expose_recipients,
			show_as_cc, add_unsubscribe_link, attachments
		from
			`tabEmail Queue`
		where
			name=%s
		for update''', email, as_dict=True)[0]

	recipients_list = frappe.db.sql('''select name, recipient, status from
		`tabEmail Queue Recipient` where parent=%s''',email.name,as_dict=1)

	if frappe.are_emails_muted():
		frappe.msgprint(_("Emails are muted"))
		return
	if cint(frappe.defaults.get_defaults().get("hold_queue"))==1 :
		return

	if email.status not in ('Not Sent','Partially Sent') :
		# rollback to release lock and return
		frappe.db.rollback()
		return


	frappe.db.sql("""update `tabEmail Queue` set status='Sending', modified=%s where name=%s""",
		(now_datetime(), email.name), auto_commit=auto_commit)

	if email.communication:
		frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)

	try:
		if not frappe.flags.in_test:
			if not smtpserver: smtpserver = SMTPServer()
			smtpserver.setup_email_account(email.reference_doctype, sender=email.sender)

		for recipient in recipients_list:
			if recipient.status != "Not Sent":
				continue

			message = prepare_message(email, recipient.recipient, recipients_list)
			if not frappe.flags.in_test:
				smtpserver.sess.sendmail(email.sender, recipient.recipient, encode(message))

			recipient.status = "Sent"
			frappe.db.sql("""update `tabEmail Queue Recipient` set status='Sent', modified=%s where name=%s""",
				(now_datetime(), recipient.name), auto_commit=auto_commit)

		#if all are sent set status
		if any("Sent" == s.status for s in recipients_list):
			frappe.db.sql("""update `tabEmail Queue` set status='Sent', modified=%s where name=%s""",
				(now_datetime(), email.name), auto_commit=auto_commit)
		else:
			frappe.db.sql("""update `tabEmail Queue` set status='Error', error=%s
				where name=%s""", ("No recipients to send to", email.name), auto_commit=auto_commit)
		if frappe.flags.in_test:
			frappe.flags.sent_mail = message
			return
		if email.communication:
			frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)

	except (smtplib.SMTPServerDisconnected,
			smtplib.SMTPConnectError,
			smtplib.SMTPHeloError,
			smtplib.SMTPAuthenticationError,
			JobTimeoutException):

		# bad connection/timeout, retry later

		if any("Sent" == s.status for s in recipients_list):
			frappe.db.sql("""update `tabEmail Queue` set status='Partially Sent', modified=%s where name=%s""",
				(now_datetime(), email.name), auto_commit=auto_commit)
		else:
			frappe.db.sql("""update `tabEmail Queue` set status='Not Sent', modified=%s where name=%s""",
				(now_datetime(), email.name), auto_commit=auto_commit)

		if email.communication:
			frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)

		# no need to attempt further
		return

	except Exception as e:
		frappe.db.rollback()

		if any("Sent" == s.status for s in recipients_list):
			frappe.db.sql("""update `tabEmail Queue` set status='Partially Errored', error=%s where name=%s""",
				(text_type(e), email.name), auto_commit=auto_commit)
		else:
			frappe.db.sql("""update `tabEmail Queue` set status='Error', error=%s
where name=%s""", (text_type(e), email.name), auto_commit=auto_commit)

		if email.communication:
			frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)

		if now:
			print(frappe.get_traceback())
			raise e

		else:
			# log to Error Log
			log('frappe.email.queue.flush', text_type(e))
Esempio n. 9
0
def send_one(email, smtpserver=None, auto_commit=True, now=False):
    """Send Email Queue with given smtpserver"""

    email = frappe.db.sql(
        """select
			name, status, communication, message, sender, reference_doctype,
			reference_name, unsubscribe_param, unsubscribe_method, expose_recipients,
			show_as_cc, add_unsubscribe_link, attachments, retry
		from
			`tabEmail Queue`
		where
			name=%s
		for update""",
        email,
        as_dict=True,
    )

    if len(email):
        email = email[0]
    else:
        return

    recipients_list = frappe.db.sql(
        """select name, recipient, status from
		`tabEmail Queue Recipient` where parent=%s""",
        email.name,
        as_dict=1,
    )

    if frappe.are_emails_muted():
        frappe.msgprint(_("Emails are muted"))
        return

    if cint(frappe.defaults.get_defaults().get("hold_queue")) == 1:
        return

    if email.status not in ("Not Sent", "Partially Sent"):
        # rollback to release lock and return
        frappe.db.rollback()
        return

    frappe.db.sql(
        """update `tabEmail Queue` set status='Sending', modified=%s where name=%s""",
        (now_datetime(), email.name),
        auto_commit=auto_commit,
    )

    if email.communication:
        frappe.get_doc(
            "Communication",
            email.communication).set_delivery_status(commit=auto_commit)

    email_sent_to_any_recipient = None

    try:
        message = None

        if not frappe.flags.in_test:
            if not smtpserver:
                smtpserver = SMTPServer()

            # to avoid always using default email account for outgoing
            if getattr(frappe.local, "outgoing_email_account", None):
                frappe.local.outgoing_email_account = {}

            smtpserver.setup_email_account(email.reference_doctype,
                                           sender=email.sender)

        for recipient in recipients_list:
            if recipient.status != "Not Sent":
                continue

            message = prepare_message(email, recipient.recipient,
                                      recipients_list)
            if not frappe.flags.in_test:
                method = get_hook_method("override_email_send")
                if method:
                    queue = frappe.get_doc("Email Queue", email.name)
                    method(queue, email.sender, recipient.recipient, message)
                    return
                else:
                    smtpserver.sess.sendmail(email.sender, recipient.recipient,
                                             message)

            recipient.status = "Sent"
            frappe.db.sql(
                """update `tabEmail Queue Recipient` set status='Sent', modified=%s where name=%s""",
                (now_datetime(), recipient.name),
                auto_commit=auto_commit,
            )

        email_sent_to_any_recipient = any("Sent" == s.status
                                          for s in recipients_list)

        # if all are sent set status
        if email_sent_to_any_recipient:
            frappe.db.sql(
                """update `tabEmail Queue` set status='Sent', modified=%s where name=%s""",
                (now_datetime(), email.name),
                auto_commit=auto_commit,
            )
        else:
            frappe.db.sql(
                """update `tabEmail Queue` set status='Error', error=%s
				where name=%s""",
                ("No recipients to send to", email.name),
                auto_commit=auto_commit,
            )
        if frappe.flags.in_test:
            frappe.flags.sent_mail = message
            return
        if email.communication:
            frappe.get_doc(
                "Communication",
                email.communication).set_delivery_status(commit=auto_commit)

        if smtpserver.append_emails_to_sent_folder and email_sent_to_any_recipient:
            smtpserver.email_account.append_email_to_sent_folder(message)

    except (
            smtplib.SMTPServerDisconnected,
            smtplib.SMTPConnectError,
            smtplib.SMTPHeloError,
            smtplib.SMTPAuthenticationError,
            smtplib.SMTPRecipientsRefused,
            JobTimeoutException,
    ):

        # bad connection/timeout, retry later

        if email_sent_to_any_recipient:
            frappe.db.sql(
                """update `tabEmail Queue` set status='Partially Sent', modified=%s where name=%s""",
                (now_datetime(), email.name),
                auto_commit=auto_commit,
            )
        else:
            frappe.db.sql(
                """update `tabEmail Queue` set status='Not Sent', modified=%s where name=%s""",
                (now_datetime(), email.name),
                auto_commit=auto_commit,
            )

        if email.communication:
            frappe.get_doc(
                "Communication",
                email.communication).set_delivery_status(commit=auto_commit)

        # no need to attempt further
        return

    except Exception as e:
        frappe.db.rollback()

        if email.retry < 3:
            frappe.db.sql(
                """update `tabEmail Queue` set status='Not Sent', modified=%s, retry=retry+1 where name=%s""",
                (now_datetime(), email.name),
                auto_commit=auto_commit,
            )
        else:
            if email_sent_to_any_recipient:
                frappe.db.sql(
                    """update `tabEmail Queue` set status='Partially Errored', error=%s where name=%s""",
                    (text_type(e), email.name),
                    auto_commit=auto_commit,
                )
            else:
                frappe.db.sql(
                    """update `tabEmail Queue` set status='Error', error=%s
					where name=%s""",
                    (text_type(e), email.name),
                    auto_commit=auto_commit,
                )

        if email.communication:
            frappe.get_doc(
                "Communication",
                email.communication).set_delivery_status(commit=auto_commit)

        if now:
            print(frappe.get_traceback())
            raise e

        else:
            # log to Error Log
            frappe.log_error("frappe.email.queue.flush")
Esempio n. 10
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def send_one(email, smtpserver=None, auto_commit=True, now=False):
    '''Send Email Queue with given smtpserver'''

    status = frappe.db.sql(
        '''select status from `tabEmail Queue` where name=%s for update''',
        email.name)[0][0]
    if status != 'Not Sent':
        # rollback to release lock and return
        frappe.db.rollback()
        return

    frappe.db.sql(
        """update `tabEmail Queue` set status='Sending', modified=%s where name=%s""",
        (now_datetime(), email.name),
        auto_commit=auto_commit)

    if email.communication:
        frappe.get_doc(
            'Communication',
            email.communication).set_delivery_status(commit=auto_commit)

    try:
        if auto_commit:
            if not smtpserver: smtpserver = SMTPServer()
            smtpserver.setup_email_account(email.reference_doctype)
            smtpserver.sess.sendmail(email.sender, email.recipient,
                                     encode(email.message))

        frappe.db.sql(
            """update `tabEmail Queue` set status='Sent', modified=%s where name=%s""",
            (now_datetime(), email.name),
            auto_commit=auto_commit)

        if email.communication:
            frappe.get_doc(
                'Communication',
                email.communication).set_delivery_status(commit=auto_commit)

    except (smtplib.SMTPServerDisconnected, smtplib.SMTPConnectError,
            smtplib.SMTPHeloError, smtplib.SMTPAuthenticationError,
            JobTimeoutException):

        # bad connection/timeout, retry later
        frappe.db.sql(
            """update `tabEmail Queue` set status='Not Sent', modified=%s where name=%s""",
            (now_datetime(), email.name),
            auto_commit=auto_commit)

        if email.communication:
            frappe.get_doc(
                'Communication',
                email.communication).set_delivery_status(commit=auto_commit)

        # no need to attempt further
        return

    except Exception, e:
        frappe.db.rollback()

        frappe.db.sql("""update `tabEmail Queue` set status='Error', error=%s
			where name=%s""", (unicode(e), email.name),
                      auto_commit=auto_commit)

        if email.communication:
            frappe.get_doc(
                'Communication',
                email.communication).set_delivery_status(commit=auto_commit)

        if now:
            raise e

        else:
            # log to scheduler log
            log('frappe.email.queue.flush', unicode(e))