Policy enforcement

Joolee amavisd at joolee.nl
Thu Sep 18 10:41:12 CEST 2014


Which version of Amavisd-new are you running? The
final_destiny_maps_by_ccat setting is only available since v2.9

The default value of the map variable is as listed below. The first 5
entries specify that the value has to be retrieved from the old-style
variables. You are overwriting this default value and using the old-style
variables in your ORIGINATING policy bank. Without looking at the code for
parsing the policy banks, I dare to say that this is your problem. Try
overwriting the map values in your ORIGINATING policy bank as you did in
your EICAR_TEST bank. Although I do wonder why you have function brackets
after "CC_VIRUS"

  # build backward-compatible settings hashes
  #
  %final_destiny_maps_by_ccat = (
    # value is normally a list of by-recipient lookup tables, but for compa-
    # tibility with old %final_destiny_by_ccat a value may also be a scalar
    CC_VIRUS,       sub { c('final_virus_destiny') },
    CC_BANNED,      sub { c('final_banned_destiny') },
    CC_UNCHECKED,   sub { c('final_unchecked_destiny') },
    CC_SPAM,        sub { c('final_spam_destiny') },
    CC_BADH,        sub { c('final_bad_header_destiny') },
    CC_MTA.',1',    D_TEMPFAIL,  # MTA response was 4xx
    CC_MTA.',2',    D_REJECT,    # MTA response was 5xx
    CC_MTA,         D_TEMPFAIL,
    CC_OVERSIZED,   D_BOUNCE,
    CC_CATCHALL,    D_PASS,
  );
On 18 September 2014 08:31, Christian Rößner <
c at roessner-network-solutions.com> wrote:

> Hi,
>
> I have two Postfix instances. One is submission, the other a combined
> mxin/mxout/hub.
>
> I do amavisd-milter on incoming and outgoing mail on the mxin/mxout.
>
> On the mxout I give a ORIGINATINg macro to do a special policy-bank for
> submission users that does not check spam (for legal reasons). But it does
> check for viruses. I have set the final_virus_destiny to D_BOUNCE.
>
> I also have a special policy-bank for the EICA-test virus. That should
> also do a D_BOUNCE.
>
> Sep 18 08:18:33 mx amavis[4588]: (04588-01) Blocked INFECTED
> (Eicar-Test-Signature) {NoBounceOutbound,Quarantined},
> AM.PDP-SOCK/ORIGINATING/EICAR_TEST LOCAL [193.239.107.42] [193.239.106.201]
> <c at roessner-network-solutions.com> -> <cr at deltaweb.de>, quarantine:
> nErWWT6nkl_s, Queue-ID: 3hz7KN0rRqzGp0j, Message-ID: <
> 209C73CC-2067-44C9-AAAE-5F5D68790090 at roessner-network-solutions.com>,
> mail_id: nErWWT6nkl_s, Hits: -, size: 6628, 1400 ms, EICAR test message,
> not to worry
> Sep 18 08:18:33 mx amavis[4588]: (04588-01) Blocked INFECTED
> (Eicar-Test-Signature), <c at roessner-network-solutions.com> -> <
> cr at deltaweb.de>, Hits: -, tag=0, tag2=0, kill=0, 0/0/0/0
> Sep 18 08:18:33 mx amavisd-milter[2425]: 3hz7KN0rRqzGp0j: log_id=04588-01
> Sep 18 08:18:33 mx amavisd-milter[2425]: 3hz7KN0rRqzGp0j:
> return_value=discard
> Sep 18 08:18:33 mx postfix/cleanup[4642]: 3hz7KN0rRqzGp0j: milter-discard:
> END-OF-MESSAGE from mail.roessner-net.de[193.239.107.42]: milter triggers
> DISCARD action; from=<c at roessner-network-solutions.com> to=<cr at deltaweb.de>
> proto=ESMTP helo=<mail.roessner-net.de>
>
> Unfortunately it is not bounced and it gets discarded. Only the postmaster
> does get a notify that a virus was caught.
>
> Here are the settings that I focused on:
>
> $policy_bank{'ORIGINATING'} = {
>   originating                     => 1,
>   final_banned_destiny            => D_BOUNCE,
>   final_virus_destiny             => D_BOUNCE,
>   allow_disclaimers               => 1,
>   bypass_spam_checks_maps         => [1],
>   enable_ldap                     => 0,
> };
>
> $policy_bank{'EICAR_TEST'} = {
>   log_templ => $log_short_templ . ', EICAR test message, not to worry',
>   final_destiny_maps_by_ccat      => { CC_VIRUS() => D_BOUNCE },
> };
>
> $warn_offsite = 0;
> $warnbannedsender = 0;
> $warnbannedrecip = 1;
> $warnvirussender = 0;
> $warnvirusrecip = 1;
> $warnbadhsender = 0;
> $warnbadhrecip = 0;
>
> $final_virus_destiny = D_REJECT;
>
> %final_destiny_maps_by_ccat = (
>   CC_VIRUS,             sub { c('final_virus_destiny') },
>   CC_BANNED,            sub { c('final_banned_destiny') },
>   CC_UNCHECKED,         sub { c('final_unchecked_destiny') },
>   CC_UNCHECKED.',1',    D_PASS,
>   CC_SPAM,              sub { c('final_spam_destiny') },
>   CC_BADH,              sub { c('final_bad_header_destiny') },
>   CC_MTA.',1',          D_TEMPFAIL,
>   CC_MTA.',2',          D_REJECT,
>   CC_OVERSIZED,         D_BOUNCE,
>   CC_CATCHALL,          D_PASS,
> );
>
> %admin_maps_by_ccat = (
>   CC_VIRUS,       sub { ca('virus_admin_maps') },
>   CC_BANNED,      sub { ca('banned_admin_maps') },
>   CC_UNCHECKED,   sub { ca('virus_admin_maps') },
>   CC_UNCHECKED.',1',    undef,
>   CC_SPAM,        sub { ca('spam_admin_maps') },
>   CC_BADH,        sub { ca('bad_header_admin_maps') },
> );
>
> I probably do not understand all meaning here, so I guess I misconfigured
> something. Does the order play a role, in which settings have been done
> here? I have copied all relevant snippets in the order they appear in my
> config file.
>
> Can I turn a NoBounceOutbound?
>
> Thanks in advance
>
> Christian
> --
> Bachelor of Science Informatik
> Erlenwiese 14, 36304 Alsfeld
> T: +49 6631 78823400, F: +49 6631 78823409, M: +49 171 9905345
> USt-IdNr.: DE225643613, http://www.roessner-network-solutions.com
>
>
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