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Spam gets no REJECT

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franc...@gmx.net

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Jun 2, 2013, 6:33:43 PM6/2/13
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Hello,

I have on my Ubuntu 12.04 LTS server a postfix 2.9.3-2 MTA with AMaViS 2.6.5 and Spamassassin 3.3.2.
I set in my 50-user setting file for amavis:

$sa_tag2_level_deflt = 5
$sa_kill_level_deflt = 6.13
$sa_dsn_cutoff_level = 100 (only to test, normally 10)

In my blacklist.cf of spamassassin config I set a special E-Mail-address to 11.11 score, so each mail from this address gets +11.11 on its score.

But I never get a message from the Mailer Daemon of this spam-test-address (it is a gmx.net address, by the way) that this mail got rejected by my server.
I find the mail in the quarantine folder (/var/lib/amavis/virusmails), but there is never a message from the Mailer Daemon.

I thought if the score is higher than $sa_kill_level_deflt (6.13 in my case) than it is rejected with a notice, only if the score is higher than $sa_dsn_cutoff_level (100 here) the mail is just dropped, without notice, no message then from the Mailer Daemon of the transfering MTA (gmx in this case).

What do I need to do, that postfix gives a appropriate REJECT to a spam mail?
What could I have overseen?
Is there maybe a postfix setting which touches this behaviour?

Thank you for hints,

frank

Gary V

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Jun 4, 2013, 9:39:44 PM6/4/13
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Generally speaking, you never want your server to send a bounce notice back to a spammer - since nearly all spam has a spoofed sender address, so it's a good thing that a bounce was not sent.
 
Look at your $final_spam_destiny setting.
 
$final_spam_destiny = D_DISCARD;
will not send a bounce.
 
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