Re: [Sqlgrey-users] Re: Sqlgrey-users digest, Vol 1 #68 - 3 msgs

[Lionel B. <lio...@bo...>]

Chris Hanlon wrote the following on 22.02.2005 15:25 :

>
> Well...here's the bit that I didn't make 100% clear - while all our 
> incoming mail is routed through the MXLogic servers, not all of it is 
> subject to filtering by them.  In fact, at the moment, only a smaller 
> percentage is. The setup requires changing my DNS to show their server 
> as my MX host, thus routing all mail for all my subscribers through 
> them...but they only filter mail on a per subscriber basis, by email 
> address.  I currently only have about 10% of my subscriber base also 
> subscribed to filtering - which actually reduces the incoming junk by 
> about 18% on average.  All the junk mail for all the subscribers that 
> *aren't* on filtering still comes down to my server - it just looks 
> like it came from one of the 15 or so MXLogic server IP's.


If I understand correctly, MXLogic acts like a proxy and not as a real 
MTA (ie : it doesn't store the messages, only filters on the fly and 
accepts a message only if your servers accept it too which make 
greylisting useful even behind them). Seems like a good service.

>   The first server it hits here, however, is a mail filtering server 
> that I'd set up prior to setting up with MXLogic, with postfix, 
> amavis-d, spamassassin, and clamav.  That's where I've installed 
> SQLGrey. And Sqlgrey has further reduced the incoming mail from about 
> 90,000 messages to about 21,000.  All of which happens before any 
> other processing on that machine - which means there's a ton less for 
> spamassassin etc to process.
>
> So...yeah...sqlgrey is still plenty useful to me. :-P
>

<ADV>
Given my experience with clamav (my company hosts one of its mirrors and 
we use it on our own MXs), unless you can have confirmation that they 
use it on their servers too you should at least let it run on your own 
server (it's usually ahead of the commercial AV for new sigs and now 
even protects against phishing...).
</ADV>

Lionel.