Mailscanner Conf

Gareth list-mailscanner at linguaphone.com
Fri Apr 13 08:53:27 IST 2007


On Fri, 2007-04-13 at 08:40, Anthony Peacock wrote:
> Hi,
> 
> Seamus Allan wrote:
> > Hi guys, been lurking for the last while, and now I have a question.
> > We are running MailScanner with Postfix and all the jazz quite successfully
> > for over a year now. After a while I have noticed that some very spammy
> > messages are getting through with quite low spam scores. Intrigued, I placed
> > some of these messages where I could get to them, and ran (as root)
> > spamassassin -t < messagefile, and I get a good score (well over the
> > threshold). So then I sudo'd the spamassassin command as the postfix user,
> > and I got the low score - bingo.
> > However, I am not sure which config is user dependent, and where to shift it
> > to such that it gets used by spamassassin when run by the postfix user.
> > 
> > It's probably a pretty simple solution, but I just can't find it.
> 
> Can you supply us with the list of SpamAssassin rules that are hit for 
> each user?
> 
> My initial guess is that you have been training the Bayes database as 
> root, which creates a database that only root uses.  But without seeing 
> the scores that is purely a guess.

Or another possibility is that the config points to a specific bayes
database but the permissions are set so that only root can read it. When
Mailscanner runs spamassassin as postfix it cannot read the database.

Personally I use a mysql database as the backend for the bayes database.
I run mailwatch aswell so need a database for it and moving bayes over
to use a database is very little extra work and had the benefit that it
makes it easier to add additional mailscanner boxes in the future.




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