Some questions while I plan my redeployment/reinstall

Dennis Willson taz at TAZ-MANIA.COM
Thu Sep 8 22:59:16 IST 2005


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Chris W. Parker wrote:
> Dennis Willson <mailto:taz at TAZ-MANIA.COM>
>     on Thursday, September 08, 2005 2:14 PM said:
> 
> 
>>I recently did the same thing, I rebuilt and re-installed both my
>>mail hubs. I used CentOS 4.1, Sendmail, MailScanner, SpamAssassin,
>>ClamAV, MailWatch and Milter-Greylist.
> 
> 
> Any reason you chose CentOS?
> 
It's basically RHE4. It has had more testing on it than FC4 and is therefore probably a little more stable.
The CentOS group appears the keep up2date with the RHE4 updates and fixes. FC4 will probably be just fine. I believe a number of 
people have deployed on it. I've been using FC4 on my laptop and I haven't seen any bad or strange things happen so it's probably okay.

> 
>>You didn't say what the
>>hardware you're using actually is, but mine is a single processor P4
>>Xeon running at 2.6Ghz. I had 512MB RAM, but found that to be just a
>>bit small, so I increased it to 1GB. The load at 512MB was okay, but
>>I noticed it was using just a little more swap space than I would
>>like, so I upgraded the memory and now it and I are happier.
> 
> 
> At my current mail load I'm beginning to think I'll be okay and as for
> specs, I think this is really close.
> 
> PIII 500MHz
> 256MB RAM (with a max of 384MB! haha)
> 
> It's an old HP 8580C desktop PC. :)
> 
That is a bit of an old machine... Just watch it for a while to be sure it's not suffering.

> 
>>This was the first time I used Milter-Greylist and I was really
>>surprised at the results! I takes out about 85-90 percent of the Spam
>>right there. This actually reduces the CPU load because that's all
>>eMail that MailScanner, SpamAssassin and ClamAV don't have to spend
>>any cycles to scan.
> 
> 
> I'm not aware of Milter-Greylist. I'll look into it.
> 
There are several different Greytlist milters available, this one doesn't use an SQL backend, it uses memory and a dump file to 
maintain the Greylist information.
> 
>>On high scoring Spam I store it for 7
>>days on the mail hubs. The users use mailwatch to look at what is
>>stored of theirs and can release any of it to themselves if the
>>decide they want it.
> 
> 
> MailWatch will do that? Cool.
> 
> 
> 
> Chris.
> 
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