We installed Norton Anti-Virus corporate edition and it is catching SMD
files infected with viruses.
Not good -- that means that it could catch .mbx files as well, deleting entires batches of mail when it finds a virus.

Do the SMD files contain multiple e-mails for several users or just one e-mail for one user. I'm concerned that a batch
of e-mails is being quarantined and along with the virus some legitimate
email is being lost.
The easiest fix would be better to disable scanning of the subdirectories off of the \IMail directory.

Although the .SMD files only contain a single E-mail, the .mbx files can contain hundreds or thousands of E-mails. If the virus scanner catches a .SMD file, it will catch a .MBX file as well.

It's also important to note that you can only guess than percentage of E-mail viruses that a virus scanner will catch (unless it is a mailserver virus scanner). Most AV programs catch none, and some only catch a small percentage of E-mail viruses. I haven't heard of a single AV program that is designed to catch all E-mail viruses, unless it is sold as a mailserver virus scanner. Nor have I heard of any AV programs that detect vulnerabilities which can cause viruses to go through unscanned (whereas a good mailserver virus scanner will do this, or else it won't work with new viruses). If you are looking to block E-mail viruses, you need something like our Declude Virus or IMail's IMail AntiVirus.

-Scott
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Declude JunkMail: The advanced anti-spam solution for IMail mailservers.
Declude Virus: Catches both viruses and vulnerabilities in E-mail, with no annual licensing fees.

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[This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)]


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