[SLE] Look for opinions: Best Email server w/ virtual domain and anti-spam functionaliy?

From: JW (jw_at_mailsw.com)
Date: 09/09/04

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    To: suse-linux-e@suse.com
    Date: Thu, 9 Sep 2004 16:43:08 -0500
    
    

    Hello,

    In the past 4 years we have tried using both Postfix and Qmail, several
    different virtual-domain packages, and spam assassin.

    We handle many different domains for our customers so virtual domain support
    is an absolute requirement, this goes for the pop3 side as well as the MTA
    side.

    Recently we have had to shut spam assassin off of our qmail server because it
    was running the load average so high that it was ceasing to function
    properly.

    So what I'm looking for is opinions on what the best combination of packages
    is that will provide at least the following functionality without running our
    mid-range hardware to the ground. I'm willing to consider anything, even
    commercial options.

    1. Virtual domain support (have to be able to email users of the same user
    name at many different domains, i.e. john@abc.com, john@123.com, john at
    def.com, etc).

    2. Anti-spam software. This needs to be somethign effiecient - python and
    perl-based options that grind business to a halt are not good.

    3. pop3 access

    Other highly-desireable features that aren't absolutely required:

    Some good way to provide smtp for dynamic clients - pop-before-smtp or smtp
    authentication - cannot be IP based.

    Thanks

    -- 
    ----------------------------------------------------
    Jonathan Wilson
    Cedar Creek Software     http://www.cedarcreeksoftware.com
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