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From: Noel Jones (njonesmegan.vbhcs.org)
Date: Mon Oct 29 2007 - 13:18:50 CDT
At 12:53 PM 10/29/2007, Yoda Woda wrote:
>I have installed Postfix and Amavisd and SpamAssassin through the
>CPAN perl module: I however am not sure how it works.
The amavisd-new docs should answer most of your questions. The
README.postfix that comes with amavisd-new is a good place to start.
> Do I need to dominize spamassassin?
No. See the amavisd-new FAQ.
>Do I need to use user_prefs or everthing in relations to
>spamassassin needs to be configures in amavisd.conf
Individual user user_prefs are not used. See amavisd-new
documentation. Most settings are in amavisd.conf, some SA settings
are in the "global" SA *.cf files, typically /etc/mail/spamassassin/local.cf.
>How can I have amavisd append the scores of all the tests it conducted?
See amavisd-new docs. All message modifications are done by amavisd-new.
>I do not want to quaranteen messages but would like to reject them
>and notify the sender?
To reject messages, you must use amavisd-new as a postfix
smtpd_proxy_filter. This is not recommended, but some people report success.
If you don't want to quarantine spam, just tag it and pass it to the recipient.
Viruses should always be discarded.
When amavisd-new (or anything else) is used as a postfix
content_filter, the mail has already been accepted before the
content_filter processes it. Once the mail has been accepted, you
cannot reject or bounce it because much spam is not really from the
announced sender. If you bounce mail to innocent third parties, your
server will be blacklisted as a backscatter source.
Automatic sender notification of spam or viruses is always a bad
idea. Some people do it anyway. They get blacklisted. And before
you ask, recipient notification is a bad idea too (except maybe a
once-a-day "new items in quarantine" notice, which amavisd-new can't
do by itself).
Followups to the amavis-users list please.