Voytek,
> I have Postfix with SMTP AUTH with amavisd, it all works well (as long as
> I don't touch it..)
>
> (cross posted to postfix list as well)
Advice (mouss and others) feed authenticated mail to amavisd on a
dedicated port is good, regardless of whether you need this separation
right away, or later.
(from mouss):
-o content_filter=smtp-amavis:[127.0.0.1]:10586
A suitable amavisd counterpart is a policy bank associated with
this port number:
$inet_socket_port = [10024,10586];
$interface_policy{'10586'} = 'AUTHENTICATED';
$policy_bank{'AUTHENTICATED'} = {
originating => 1,
}
Optionally you can change other settings inthere, like
using different banning rules, using higher score limits, etc.
Also, the name of loaded policy banks is reflected in a mail header
passed to SpamAssassin, so you can adjust SA rules based on name(s)
of policy banks active, e.g.:
header __L_MYNETS X-Amavis-PolicyBank =~
m{(\A|/)(MYNETS|ORIGINATING|AUTHENTICATED)(/|$)}m
meta L_OTHERS_UNDISC_RECIPS UNDISC_RECIPS && !__L_MYNETS
score L_OTHERS_UNDISC_RECIPS 0.841
score UNDISC_RECIPS 0.001
> I have now "allowed" some users to use SMTP AUTH, but, some of their mail
> then gets evaluated as 'spam' by amavisd/spamassasin scores, amongst
> these, 'dynamic ip' type scores
> am I correctly exempting SMTP AUTH users from unnecessary anti-spam evals
> such as 'dynamic ip' 'direct access to smpt host' type of evals ?
Make sure your trusted_networks, internal_networks and msa_networks
are configured correctly.
Let Postfix add authentication data into its Received header fields:
smtpd_sasl_authenticated_header = yes
smtpd_tls_received_header = yes
See also: http://wiki.apache.org/spamassassin/DynablockIssues
Mark
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