Hello everyone,
Running a Dovecot 2.3.13 (Debian 11 native package) configured to deliver
to Postfix lmtp and using dovecot-sieve.
Setting-up a simple vacation responder works as expected but trying to
catch a missing header e.g.
if allof (not exists "X-GitLab-NotificationReason")
{
vacation :days 1 :addresses [1]"some-notificat...@example.com"
:subject "Message sent to an automated address " :from
[2]"some-sen...@example.com" text:
Hello,
This is an automated reply to let you know that
[3]some-notificat...@example.com is an automated address and is not read by a
human operator.
If you're trying to contact EXAMPLECOM please send your emails to
[4]exam...@example.com
.
;
}
... will result in an empty "from:" field instead of the required
[5]"some-sen...@example.com" e.g.
Aug 06 09:41:45 email-001.example.com postfix/smtpd[1974551]: disconnect
from localhost[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5
Aug 06 09:41:45 email-001.example.com dovecot[1174421]:
lmtp([6]some-notificat...@email.example.com)<1974562><uTh/ITkHk2giIR4AdMz+wA>:
sieve: msgid=[7]<941c2ff0-56f1-493f-973e-871f446e0...@anotherexample.com>:
vacation action: sent vacation response to
[8]<some.u...@anotherexample.com>
Aug 06 09:41:45 email-001.example.com postfix/pickup[1956559]: B7BF8207C9:
uid=18018 from=<>
Aug 06 09:41:45 email-001.example.com postfix/cleanup[1974554]:
B7BF8207C9:
message-id=[9]<dovecot-sieve-1754466105-56299...@email-001.example.com>
Aug 06 09:41:45 email-001.example.com postfix/qmgr[1171599]: B7BF8207C9:
from=<>, size=979, nrcpt=2 (queue active)
Aug 06 09:41:45 email-001.example.com postfix/smtp[1974565]: B7BF8207C9:
to=[10]<some.u...@anotherexample.com>,
relay=smtpconnector.upper.relay[192.168.2.14]:25, delay=0.12,
delays=0.06/0.01/0.03/0.02, dsn=5.7.1, status=bounced (host
smtpconnector.upper.relay[192.168.2.14] said: 554 5.7.1 <>: Sender address
rejected: Access denied (in reply to RCPT TO command))
I tried forcing
sieve_user_email = [11]some-sen...@example.com
... but to no avail.
I'm well aware that I could try and fix the problem at Postfix level but
blindly catching ALL mails with an empty "from:" field feels bad: one
miss-configured daemon and we spam everyone plus we already do some
intricate rewriting.
Any ideas?
References
Visible links
1. mailto:some-notificat...@example.com
2. mailto:some-sen...@example.com
3. mailto:some-notificat...@example.com
4. mailto:exam...@example.com
5. mailto:some-sen...@example.com
6. mailto:some-notificat...@email.example.com
7. mailto:941c2ff0-56f1-493f-973e-871f446e0...@anotherexample.com
8. mailto:some.u...@anotherexample.com
9. mailto:dovecot-sieve-1754466105-56299...@email-001.example.com
10. mailto:some.u...@anotherexample.com
11. mailto:some-sen...@example.com
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