Haven't added that yet and from your comment, I won't be doing it until we
get an IMGate running. Right now everything is in a holding pattern until
the merger talks get resolved. This is the third courtship and we're still
unwed. lol
Kevin Childers
Mail Administrator
[EMAIL PROTECTED]
The Carolina's Fastest Internet Service Provider
www.NetQuick.net
(910) 486-7845 Ext. 23
(888) 228-0312
----- Original Message -----
From: "Len Conrad" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, July 27, 2000 1:46 AM
Subject: Re: [IMail Forum] Long Rules List
> Question: What effect does a large rules file have on the over all mail
> delivery performance of Imail.
>
> "large" "could" have a "large" effect. How's that for precision??
>
> Did you see the fella in here this week with his WUG monitoring fo Imail
> going off after he added a few rules? His Imail wasn't going down but when
> WUG checked it, Imail might have been working through those new rules and
> didn't respond as instantaneously as pre-rules, causing WUG to alert.
>
> From my experience with other rule processing systems (Eudora Pro's
> filtering to folders, and ipfilter rules to block tcp/ip traffic in
> firewalls), rule processing can really eat up the MIPS.
>
> I know the listing of all of the forged addresses in "The Face of a
> Spammer" posting comes to about 26 pages, singles spaced.
>
> ah, "large" = "26 pages" x 50 rules / page = 1000+ rules. Apply that lot
> of rules to every piece of incoming mail, would result probably in an
> unacceptable drop in Imail performance, esp if you are also running a lot
> of web messaging (real time user internative) and lots of simultaneous
> POP3/IMAP4 access.
>
> I suggest you implement that level of filtering in a separate box, ie,
> IMGate, and leave Imail to get on with its key role of real-time support
of
> user connections. The header filtering is "plumbing".
>
> "The Carolina's Fastest Internet Service Provider"
>
> Ha ha ha, that was BEFORE you added 1000+ rules to Imail's filtering!!!
vbg
>
> Len
>
> http://BIND8NT.MEIway.com: ISC BIND 8.2.2 p5 installable binary for NT4
> http://IMGate.MEIway.com: Build free, hi-perf, anti-spam mail gateways
>
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>
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