I've been very impressed with the ESE based versions of Scanmail (3.80). Rock solid, and fast as heck. Antigen performs similarly.
I am, however, very impressed with Trend's new SLA for premier customers - they're guaranteeing a tested, functional pattern file within two hours of their receipt of the virus. ------------------------------------------------------ Roger D. Seielstad - MCSE Sr. Systems Administrator Inovis - Formerly Harbinger and Extricity Atlanta, GA > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:l.greig@;searchspace.com] > Sent: Thursday, October 24, 2002 6:38 AM > To: Exchange Discussions > Subject: Exchange 5.5 Anti-Virus implementations > > > Hello - > > [NT4 Server SP6a, Exchange enterprise 5.5 SP4] > > Has anyone used and compared Exchange anti-virus products that employ > different scanning methods, e.g. MAPI/VSAPI/ESE? I'm curious about the > performance differences between the implementations. > > We're currently using a VSAPI-based product and the > performance is pretty > dreadful - loads of archiving/synchronization errors and people with > incomplete offline mailbox replicas. The anti-virus software > is patched and > up-to-date and we've adjusted the "OpenRetryDelay" several > times, to no > avail. The server hosts about 120 active mailboxes - some > pretty big - but > the store databases have a dedicated 6-drive, ultra 160 SCSI, > raid 5 volume. > The transaction logs are on a different volume. PRIV.EDB is > currently about > 45GB in size and the problem affects every user on the server. > > I just wondered if there were any outright conclusions that > favoured one > approach or product over the others. Also, I'd be interested > if anyone can > confirm that the VSAPI interface builds a single, potentially > long queue of > attachments to be scanned, introducing a bottleneck ? > > Thanks, > > Loftus Greig > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:leave-exchange@;ls.swynk.com > Exchange List admin: [EMAIL PROTECTED] > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:leave-exchange@;ls.swynk.com Exchange List admin: [EMAIL PROTECTED]
