[CentOS] Antispam with Postfix

Tue Sep 29 00:04:54 UTC 2009
Christopher Chan <christopher.chan at bradbury.edu.hk>

Joseph L. Casale wrote:
> I am mulling over the thought of replacing my current solution, it
> works very well except for the following two issues:
>
> 1. LDAP recip verification for only one server, this gateway services multiple
> domains who's directories are independent. I need to be able to verify the
> various domains off of independent servers.
>   
Postfix can handle that. You can have multiple lookup tables/maps. They 
do not even have to be the same type of database.


> 2. I use backup mx's, my current solution probably could work in this scenario but
> the support mechanism behind it is *very* weak and I can't get a perfect setup
> working. Spam hits the primary for a domain, gets blocked and then tries my secondary
> which sometimes accepts it, after which the primary always accepts from the secondary.
>   
Like others have already said, lose it or fix it.


> What are some setups that use Postfix which you guys are having very good success
> with that isn't a burden to administer. The last thing I want to do is replace my one
> single app with many:)

postfix + spamass-milter will do it.