I use Mailscanner with postfix and Mailwatch to manage quarantine etc; http://mailscanner.info/ On the backup MX, I just use postfix and some basic anti-spam stuff. Very little gets through and even less gets through to the primary. I am aware that some spam techniques go straight to the backup MX because most people don't set it up quite as well as the primary. YMMV. I also used to use greylisting, which does reduce spam, but, unfortunately it also reduces valid mail ;-) In the end I'd rather suffer a few spams getting through compared to the delayed receipt of important emails. Brian. On Mon, May 10, 2010 at 9:01 PM, Coert <lgroups at waagmeester.co.za> wrote: > Hello all, > > About a year ago I set up a mail server on CentOS using this howto: > http://wanderingbarque.com/howtos/mailserver/mailserver.html > I managed to add amavisd-new with clamav and spamassassin. > It runs very well, but it runs on CentOS 5.2, and if I try to upgrade, > amavisd-new and clamav break. > we are now also at the point where a backup mx will need to be implemented. > > If necessary I am willing to implement a new mail server and a new > backup mx. > > What I would like to know is what solution you guys would recommend for > the mail server and the backup MX? > > Any pointers would be greatly appreciated. > > Regards, > Coert > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100510/212950b9/attachment-0005.html>