Wietse Venema via Postfix-users wrote in
<[email protected]>:
|Steffen Nurpmeso via Postfix-users:
|>|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.
|>
|> Ah, i have forgotten to add
|>
|> mydestination = $myhostname, localhost.$mydomain, localhost, lists.$myh\
|> ostname
|>
|> Other than that i think i reread VIRTUAL_README from scratch.
|> I do not understand otherwise, sorry. (The initial message that
|> triggered me was an inbound message.)
|
|I might add, in case that it isn't obvious from the above, that there
|is no deduplication across multiple queue files.
|
|If the mailing list generates multiple submissions into Postfix,
|then duplicates will be suppressed only within the same queue file.
|
|If you really want useful information from me, then I need to know
|what route the duplcated recipients took in terms of queue files.
Well, please excuse me, i do not understand. No, it is not
obvious. I mean, i have shown the sendmail(1) invocation with two
recipients -- granted this is all local --, and the one is
expanded, so we effectively have the same address twice, and that
is then "delivered" via local, it is actually an alias that runs
a program, and that is run twice.
Whereas i would expect something like
</dev/null s-nail -:/ -Sstealthmua -Smta=test \
-X 'alias [email protected] [email protected]' \
-s hi [email protected] [email protected]
From steffen Wed May 6 22:45:29 2026
Date: Wed, 06 May 2026 22:45:29 +0200
To: [email protected]
Subject: hi
| Wietyse
Hand-written signature? Oh!
--steffen
|
|Der Kragenbaer, The moon bear,
|der holt sich munter he cheerfully and one by one
|einen nach dem anderen runter wa.ks himself off
|(By Robert Gernhardt)
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