Amavis not being called from postfix
Matus UHLAR - fantomas
uhlar at fantomas.sk
Fri Feb 8 23:19:35 CET 2019
>On Fri, 8 Feb 2019 at 17:17, Robert Moskowitz <rgm at htt-consult.com> wrote:
>> I would think I want to use MILTER.
On 08.02.19 17:34, Dominic Raferd wrote:
>I too am interested in running amavis as milter (Patrick has written
>some instructions in German), but the standard and more common setup,
>and the one which you are emulating at present, is as content filter
>instead, and I think you should focus on getting that working first.
I use milter when receiving mail from outside (mail servers).
When I configured milter on users connections, users were complaining that
sending mail takes too long.
Thus, clients on submission,smtps ports (and when possible, port 25 clients
on internal interface) use content_filter.
>As I understand it the disadvantages of this content filter
>post-queue(?) approach are
>- that mails are queued twice in the MTA [postfix] (once when it sends
>them out to amavis, and again when they return), with two different
>queue-ids, which is untidy and can make log tracking harder, and
>- that the response from amavis cannot be passed back to the client
>because the client has been told all is ok (250) when the email is
>passed over to amavis and before amavis has processed it - but usually
>you may not want to tell the client if you are quaranting or
>discarding the mail it has sent.
>The main advantage over calling amavis as a milter is that it doesn't
>really matter how long amavis takes to process the mail, whereas with
>a milter you have the client still connected and waiting for a
>response. You can use something like
>$child_timeout = 20;
>so that amavis forces any child processes (esp. clamav) to give up
>after a given period - this isn't required with the content_filter
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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