[pfx] Re: [ext] non_smtpd_milters = $smtpd_milters

[duluxoz via Postfix-users]

Thanks Ralf,

OK, so what was leading to my Q is the Postfix Architect document seems 
to indicate (via the first diagram) that the `smtp_milters` is triggered 
from the `smtpd(8)` process which then feeds into the `cleanup(8)` 
process, which is what triggers the `non_smtp_milters` - hence me 
wondering if a piece of smtp mail went through both milter lists.


Cheers

On 01/12/2023 20:34, Ralf Hildebrandt via Postfix-users wrote:

* duluxoz via Postfix-users:

A quick question (just to clarify things in my own mind):

If `non_smtpd_milters = $smtpd_milters`, does this mean that an email
received on port 25 passes through the milters twice; once for the
`smtpd_milters` (from the `smtpd(8)` process) and again for the
`non_smtpd_milters` (from the `cleanup(8)` process)?

No.

non_smtpd_milters are for new mail that does not arrive via the
Postfix smtpd server. This includes local submission via the
sendmail command line, new mail that arrives via the Postfix
qmqpd server, and old mail that is re-injected into the queue with
"postsuper -r".

smtpd_milters are for new mail that arrives via the Postfix smtpd(8)
server.


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[pfx] Re: [ext] non_smtpd_milters = $smtpd_milters

[Ralf Hildebrandt via Postfix-users]

* duluxoz via Postfix-users :
> A quick question (just to clarify things in my own mind):
> 
> If `non_smtpd_milters = $smtpd_milters`, does this mean that an email
> received on port 25 passes through the milters twice; once for the
> `smtpd_milters` (from the `smtpd(8)` process) and again for the
> `non_smtpd_milters` (from the `cleanup(8)` process)?

No.

non_smtpd_milters are for new mail that does not arrive via the
Postfix smtpd server. This includes local submission via the
sendmail command line, new mail that arrives via the Postfix
qmqpd server, and old mail that is re-injected into the queue with
"postsuper -r".

smtpd_milters are for new mail that arrives via the Postfix smtpd(8)
server.

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  Invalidenstraße 120/121 | D-10115 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebra...@charite.de | https://www.charite.de

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