Hmm.. just doing some testing moving messages between mailbox/archives
and with either of the vipre scanning engines enabled things are very
slow and the CPU on the Exchange box is working very hard.
Our Exchange box is a VM on ESX so has a single vCPU - can't see that
should be a huge issue given the server is a quad core Xeon that isn't
especially busy.
I'm toying with whether to move all our a/v scanning to the edge anyway
but I would be interested to hear from anyone else if they're seeing
anything similar.
From: Paul Hutchings [mailto:paul.hutchi...@mira.co.uk]
Sent: 28 August 2010 10:30
To: MS-Exchange Admin Issues
Subject: RE: Vipre for Exchange - Questions
Thanks Jeff. We have our Exchange box behind a DMZ relay so anything we
accept in Exchange is only checked by Cloudmark. I did find that within
2 minutes of enabling the mail-filters.com engine that one of the
discussions on the ntsysadmin list was flagged as spam hence my concern
and the question.
From: Jeff Steward [mailto:jstew...@gmail.com]
Sent: 27 August 2010 21:53
To: MS-Exchange Admin Issues
Subject: Re: Vipre for Exchange - Questions
I've been running it for years with both Cloudmark and the Sunbelt
filters active and find that it does a good job. We reject about 80% of
the inbound mail and aside from when spammers figure out a new trick,
users don't complain about SPAM.
No issues with the A/V engine either.
-Jeff Steward
On Fri, Aug 27, 2010 at 4:40 PM, Paul Hutchings
wrote:
A couple of questions for those of you using Vipre for Exchange.
Firstly, how do you find the various anti-spam engines?
We've used it a couple of years and I'm finding Cloudmark fantastic.
I've never tried the Sunbelt Advanced Engine (aka mail-filters.com) but
I just enabled it with a low enough score to log but nothing more, and
it's already found a couple of false positives, something which doesn't
seem to happen at all often with Cloudmark unless there are spammy links
in the messages (i.e. occasional traffic to various mail server/spam
type mailing lists).
I'll leave it logging but I wondered what the experiences were over the
longer term.
Secondly, how are you finding the antivirus?
I've actually had this disabled for a while now due to the hassles the
old Bitdefender engine used to cause (if an update failed Outlook would
simply refuse to display messages until you went through a purge routine
of the defs on the server).
I've just re-enabled it and enabled viper and authentium engines, just
after a little reassurance that I'm not making a huge mistake.
Thanks!
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