Rok Potočnik wrote:
> Hi!
>
> Would it be possible somehow to figure out if the sender is an
> authenticated user and fix the spam score accordingly (e.g. if he's
> authenticated, decrease the spam score with 3 or something)...
>
> I'm using Postfix 2.7, and in case of an authenticated user there's a
>
> Received: from ...
> ...
> ...
> (Authenticated sender: u...@domain.com)
> by my.server.com ...
>
That is added by:
main.cf:
...
smtpd_sasl_authenticated_header = yes
You can use a header check rule to rewrite the header, somthing like this:
header_checks = pcre:/etc/postfix/header_checks
# vim /etc/postfix/header_checks
/^Received: from (.* \([-._[:alnum:]]+
\[[.[:digit:]]{7,15}\]\)).*\(Authenticated sender: ([^)]+)\).*by
(mail\.example\.com) \(([^)]+)\) with (E?SMTPS?A?) id ([A-F[:digit:]]+).*/
REPLACE Received: from [127.0.0.1] (localhost [127.0.0.1]) by Authenticated
User (mail.example.com) with $5 id $6
And then, in SA local config I used:
# vim /etc/spamassassin/20_smtp_auth_user_checks.cf
header SMTP_AUTH_LOCAL_RCVD Received =~ /Authenticated User
\(mail.example.com\).* /
And then you local score this rule:
# vim /etc/spamassassin/50_local_scores.cf
score SMTP_AUTH_LOCAL_RCVD -4 -4 -4 -4
Hope this helps.
NOTE: it a single line
> ...
>
> What would be the easiest way of doing that... with a hook of some sort?
> I really lack the knowledge of Perl programming so any help would be
> greatly appreciated.
>
>
--
Jorge Armando Medina
Computación Gráfica de México
Web: http://www.e-compugraf.com
Tel: 55 51 40 72, Ext: 124
Email: jmed...@e-compugraf.com
GPG Key: 1024D/28E40632 2007-07-26
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