Spam and virus filter for mailserver

[Daniela]

On Sunday 21 September 2003 12:27, Steve Sapovits wrote:
> On Sun, 21 Sep 2003 12:55:20 +0000
>
> Daniela <dgw at liwest.at> wrote:
> > Can anyone recommend a good mail reader that can fetch mail as a daemon,
> > stores mail in a format readable by KMail or Evolution, and has a console
> > interface (I don't run X often)? It should also be somehow able to put
> > the mail in different folders based on the value of some headers.
>
> Have you looked at fetchmail?  http://catb.org/~esr/fetchmail/
>
> fetchmail can fetch from designated accounts and forward to your local
> mail server.   The way I'm set up, fetchmail fetches from various POP
> and IMAP accounts, forwarding everything to sendmail.   At that point
> you can use sendmail's anti-spam (or that of the MTA in use), and plug
> in anti-virus software on the server.  Clam is the anti-virus software
> I personally want to look into (haven't yet): 
> http://clamav.elektrapro.com/

Thanks a lot for your reply, fetchmail seems just right for the job.
I'll try Clam together with amavis, or is there a better way to run it?
What MTA would you recommend (sendmail is too insecure)?
Can I just put the mail in the respective user's home directory with 
fetchmail, and configure their MUA's to get mail from there? Or do I put it 
in /var/mail/<username>? Can I run an MTA in a chroot environment with an 
unprivileged UID? Am I asking too much?
I read the fetchmail FAQ, but I still don't have a clue.
My users are lazy, so they shouldn't notice a change at all, if possible.

Needless to say, I have little experience with mail servers, I never had one.

Best regards,
Daniela