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Guidance on setting up linux based mail proxy including spamassassin

Posted on 2009-05-20
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Last Modified: 2013-12-16
I currently work for a small company using Exchange 2003 for their email server. All email is pulled in from a POP3 multidrop account with no filtering other than Exchanges own IMF.

I am looking to create a linux based mail proxy that will accept the pulled in POP3 messages via SMTP, scan via spamassassin and then pass those marked up mails onto the Exchange servers smtp port for delivery as normal. I'll then filter them based on the X-Spam-Status header.

There in only one email domain in use.

Can someone please guide me through the setup of such a system? I'd prefer to use Ubuntu linux since I am most familiar with that, although I am not familiar with the setup of any linux MTA's.



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Question by:Robmonster
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Expert Comment

by:Kerem ERSOY
ID: 24440394
Hi,

First of all if you're after setting-up a server I won't suggest you to use Ubuntu since it does not suport or have modules that people have tested over UBNTU available around and it will be problem for you to get support at a later time.

I'll suggest you use either CentOS or Fedora for this project. They are really not so different than your Ubuntu and also they are more robust when it comes to use as a server. This is why most step-by-step guides use one of them instead Ubuntu with server type stuff. If you want the kind ypu can prefer Debian.


This is being said check these links:

FreeSpamFilter Project: http://www.freespamfilter.org/FC4.html
http://www.fatofthelan.com/articles/articles.php?pid=22
https://www.cs.drexel.edu/csit/mail/postfix-installation

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Robmonster earned 0 total points
ID: 24534997
I have found my own solution to this by following the instructions listed here:-

http://www.howtoforge.com/the-perfect-spamsnake-ubuntu-8.04
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Expert Comment

by:dodyryda1
ID: 24821812
i've found fedora far from robust.. version 10 sucks ass as i expect 11 will..... version 8 was the best i've f experianced in a .. I do use centos 5.3 for my main webservy clear and highly recommend it but would stay clear of fedora at all costs.. trying ubuntu 9.04 now for my backup mailserver as it has to do a better job than fedora
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