[CentOS] Re: Anti Virus and Anti Spam
Michael Ekstrand
michael at elehack.net
Sat Aug 30 03:15:25 UTC 2008
"horas simalango" <horasima at gmail.com>
writes:
> New be in linux!
> Currently I have Install DNS, Email and Web server using centos 4.3.
> All functions are running properly!
> What anti virus and anti spam recomended for me to install to my
> server?
I have had very good success with SpamAssassin. I do not presently use
any anti-virus software in my email path, so I can't speak to that.
> What I have to configure after installing anti virus and anti spam?
> Would some one help me please.! Now many spam mail come to user
> mailbox!
You will need to inject it somehow into your mail delivery path. I do
this by using procmail. I have a pipe/filter rule which runs the e-mail
through SpamAssassin (using the `spamc' program to connect to a
long-running daemon) and then filters based on the headers returned. My
file looks like this:
DEFAULT=$HOME/Maildir/
LOGFILE=$HOME/.maillog
EXTENSION=$1
MAILDIR=$HOME/Maildir
:0
* EXTENSION ?? ^^spam^^|^^ham^^
|spamc -L $EXTENSION
:0 f
|spamc
:0
* ^X-Spam-Flag:.*YES
{
# This rule puts everything with a score of at least 10 in /dev/null
:0
*^X-Spam-Level: \*\*\*\*\*\*\*\*\*\*
/dev/null
}
I then combine this with a Gnus scoring rule (client-side filter applied
to POP mail downloads) to put everything with a spam score of at least 5
(the default to get a positive in SpamAssassin) in a junk mailbox.
- Michael
--
mouse, n: A device for pointing at the xterm in which you want to type.
Confused by the strange files? I cryptographically sign my messages.
For more information see <http://www.elehack.net/resources/gpg>.
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