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save bounce email sent to an alias when

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Son NK 2020-11-02 15:10:03 +01:00
parent c41c36acaa
commit 63788125da
1 changed files with 12 additions and 0 deletions
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12
email_handler.py
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@ -508,6 +508,18 @@ def handle_forward(envelope, msg: Message, rcpt_to: str) -> List[Tuple[bool, str
handle_email_sent_to_ourself(alias, mb, msg, alias.user)
return [(True, "250 Message accepted for delivery")]
# bounce email initiated by Postfix
# can happen in case an email cannot be sent from an alias to a contact
# in this case Postfix will send a bounce report to original sender, which is the alias
if mail_from == "<>":
LOG.exception("Bounce email sent to %s", alias)
# save the data for debugging
file_path = f"/tmp/{random_string(10)}.eml"
with open(file_path, "wb") as f:
f.write(msg.as_bytes())
return [(False, "421 SL Retry later")]
contact = get_or_create_contact(msg["From"], envelope.mail_from, alias)
email_log = EmailLog.create(contact_id=contact.id, user_id=contact.user_id)
db.session.commit()