Hi,
We use Dovecot and Postfix for internal emails and keep aliases in an LDAP table. We have multiple sites, with some user mailboxes local to each.
If user A and B are both in alias OurGroup, and a message is sent to [ mailto:ourgroup@domain.com | ourgroup@domain.com ] [ mailto:a@domain.com | a@domain.com ] and [ mailto:b@domain.com, | b@domain.com, ] a and b will receive two copies of the message.
Should this be addressed with Postfix or Dovecot?
thanks
Hi, We use Dovecot and Postfix for internal emails and keep aliases in an LDAP table. We have multiple sites, with some user mailboxes local to each. If user A and B are both in alias OurGroup, and a message is sent to [1]ourgroup@domain.com [2]a@domain.com and [3]b@domain.com, a and b will receive two copies of the message. Should this be addressed with Postfix or Dovecot? thanks
References
Visible links
- mailto:ourgroup@domain.com
- mailto:a@domain.com
- mailto:b@domain.com,
I guess you have several options. One is using Dovecot with Sieve:
https://doc.dovecot.org/2.4.1/core/config/sieve/extensions/duplicate.html#si...
https://datatracker.ietf.org/doc/html/rfc7352
Op 18-9-2025 om 14:49 schreef Kevin Kretz via dovecot:
Hi, We use Dovecot and Postfix for internal emails and keep aliases in an LDAP table. We have multiple sites, with some user mailboxes local to each. If user A and B are both in alias OurGroup, and a message is sent to [1]ourgroup@domain.com [2]a@domain.com and [3]b@domain.com, a and b will receive two copies of the message. Should this be addressed with Postfix or Dovecot? thanksReferences
Visible links 1. mailto:ourgroup@domain.com 2. mailto:a@domain.com 3. mailto:b@domain.com,
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participants (2)
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Kevin Kretz
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Stephan Bosch