Steffen Nurpmeso via Postfix-users:
> Steffen Nurpmeso via Postfix-users wrote in
> <20260502125527.MCetN6WF@steffen%sdaoden.eu>:
> |Wietse Venema via Postfix-users wrote in
> | <[email protected]>:
> ||Steffen Nurpmeso via Postfix-users:
> ||> Steffen Nurpmeso wrote in
> ||> <20260501161007.Ke-AtUes@steffen%sdaoden.eu>:
> ||>|I have a problem with my mailing-lists that i thought to avoid by
> ||>|using address rewriting via virtual_aliases, like so:
> ||>|
> ||>| virtual_alias_maps = regexp:$meta_directory/virtual_re
> ||>|
> ||>| ./virtual_re:/^(s-mailx(.*))@sdaoden.eu/ ${1}@lists.sdaoden.eu
> ...
> ||(virtual)alias expansion happens after ${1}@lists.sdaoden.eu list
> ||expansion.
> |
> |I do not understand how you mean this? The
> ...
> | /usr/sbin/sendmail -bv [email protected] [email protected]
> ...
> | <[email protected]>: delivery via local: delivers to command:
> | /var/mailman/mail/mailman post s-mailx
> |
> | <[email protected]> (expanded from <[email protected]>): \
> | delivery via
> | local: delivers to command: /var/mailman/mail/mailman post s-mailx
> ...
> |I am thankful for any suggestion that leads me to a solution.
> ...
>
> And if i search "duplicate" in postconf(5), i perceive from what
> i read that deduplication should happen? I do not modify any
> setting mentioned nearby.
> In my opinion the above example should only deliver "one message
> instance".
Before mailing list expansion, both virtual_alias_maps expansion and
recipient deduplication happen while an inbound message is written
to a queue file.
After mailing list expansion, both virtual_alias_maps expansion and
recipient deduplication happen while an outbound message is written
to a queue file.
By default, deduplication happens only for the first 1000 recipients
(duplicate_filter_limit = 1000). You can set the limit larger;
modern systems should handle 10x or 100x easily.
Wietse
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