We are using Sybari AntiGen for both Exchange and SMTP here.
They offer multiple virus scanners, use of RBLs and a roll your own feature for
domains, mail server IPs, Subjects and of course body filters.
We found that our Exchange server didn't have the horsepower to do this on its
own, so we broke it up and do the major scanning on our primary SMTP front end
(its own box now). And we just use the AntiGen for Exchange to do a secondary
test for viruses on the exchange server itself. This has been an excellent
solution for us as we get emails from a lot of problem countries and I couldn't
use a blanket blocking list for these areas.
The really neat scanner in there is the "SpamCure" filter. I can submit emails
that are both getting thru that are spam and also false-positives. The
roll-you-own allows me to fine tune everything and add domain names into the
body filter so I can stop outbreaks until everything catches up.
Oh, it also allows control of file attachments. We currently block file
attachments and send announcements on to our users that there is a file being
held back and they need to contact someone in IS to get it forwarded on to
them. Keeps the newest viruses at bay until the def. Files catch up.
Felis demulcta mitis ...
Alan G. Monaghan
[MCSE+I â Win4.0/ MCSE â Win2k/ BJCP # C0389(Recognized)]
Systems Administrator
Gardner Publications, Inc.
*Phone ...... 1-513-527-8867
*Fax ........ 1-513-527-8801
*Cell ....... 1-513-378-0919
*E-mail ..... [EMAIL PROTECTED]
*URL ........ http://Bullwinkle.GardnerWeb.Com/
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