Ekkehard,
> we have a larger installation of postfix with amavisd-new as a content
> filter. Settings for all users are stored in LDAP.
> There is a web frontend where users can manage the sensitivity of the spam
> filter as well as manage black-/whitelisting.
>
> The problem ist that the users, depending on their email client, have no
> easy access to the envelope sender of an email. Since amavisd-new
> blacklisting operates on the envelope sender only it is hard for the user
> to maintain their lists.
>
> Is there a way of passing info from the LDAP lookups down to spamassassin
> which then operates on the header information. Or do we have to sync the
> black and whitelisting info with a mysql server.
I don't see an easy way to interface SpamAssassin blacklisting to LDAP.
You could use the following hack to amavisd-new 2.5.2, it changes the
white- and blacklisting to work on author's address ('From' address
in a header), instead of taking the envelope sending address:
--- amavisd.orig Wed Jun 27 12:43:00 2007
+++ amavisd Thu Nov 29 17:26:49 2007
@@ -17479,5 +17479,7 @@
my($conn,$msginfo,$sql_wblist,$user_id_sql,$ldap_policy) = @_;
my($any_w)=0; my($any_b)=0; my($all)=1; my($wr,$br);
- my($sender) = $msginfo->sender;
+# my($sender) = $msginfo->sender;
+ my(@rfc2822_from) = do { my $f = $msginfo->rfc2822_from; ref $f ? @$f : $f };
+ my($sender) = $rfc2822_from[0];
do_log(4,"wbl: checking sender <%s>", $sender);
for my $r (@{$msginfo->per_recip_data}) { # for each recipient
Mark
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