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I'm using this dedicated address because personal addresses aren't masked enough at this mail public archive. Public archive administrator should fix this against automated addresses collectors.
El 28/1/22 a les 12:50, Bernardo Reino ha escrit:
On Fri, 28 Jan 2022, Narcis Garcia wrote:

Hello everyone,

I have following configurations (and more) at /etc/dovecot/local.conf in a "/VirtualUserFlatFilesPostfix/" setup :

[partial file content begins]

[snip]

When incoming mail goes to a mailbox that does not exist, an error is logged by Dovecot, letter remains at Postfix queue, and no rejection message to sender (here host is /mail.example.net/):

Wouldn't it make sense to prevent postfix from attempting to deliver (via LMTP) messages addressed to invalid users?

i.e. using virtual_mailbox_maps and/or virtual_alias_maps, as needed.

[partial]$ cat /var/log/dovecot.log

2022-01-28 08:52:00 lmtp(1883): Info: Connect from local
2022-01-28 08:52:00 auth: Error: passwd-file(wrongu...@example.net): stat(/srv/vmail/domains.d/example.net/users.d/wronguser/etc/passwd) failed: Address family not supported by protocol

^^^ weird message, but maybe it's dovecot's way of saying "file not found" :)

My Postfix setup can't have all possible destination addresses registered because it does not only manage arrivals to local recipients but also does "domain relay" for some other FQDNs. Then I feel Postfix needs to pass next service (Either SASL-lmtp or next MTA hop) to result in a "deliverable or not deliverable action".

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