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Upgrading Spamassassin from 2.63 to 3.0

Hi all
The reason why i am asking for your help is because I have 2 server that must be up and running 24/7 and my knowledge is very limited regarding the spamassassin program, but my knowledge in the linux system is beginner/average.
I recently got this assignment because my company look over these machines and i am supposed to take care of the and upgrade the spamassassin because we are receiving heavy loads of SPAM email.

So this is how the scenario look like
I got 2 server up and running with RedHat 9.0
Sendmail + Mailscanner + Spamassassin 2.63 up and running.
Spamassassin is using Bayes
I got Perl v. 5.8.5

What i read from the upgrading manual they only mention about the Perl version has to be up to date and from that it is just

Perl Makefile.PL
make
make install

I am not so convinced that this is just that easy to upgrade the spamassassin module

Is there anything that i have to be concerned about with this upgrade and is anything that you can recommend from your experience

thanks in advance

Upgrading the software is as easy as it says, but you will want to run

Code:

make test

(or make check) before

Code:

make install

to verify that you are not using bad code.

Some of the calling syntax has changed. If you call spamassassin in pipe mode, you now need to pass it the -t option. You will certainly want to read through the spamassassin manpage before doing a live upgrade.

Also, you might want to look into using sa-learn to train your spamassassin on the difference between HAM and SPAM that you receive, after the install. (Of course, you need to have kept your spam messages to do this).