External message bodies cannot be scanned

Julian Field mailscanner at ecs.soton.ac.uk
Fri Nov 29 14:52:48 GMT 2002

At 13:37 29/11/2002, you wrote:
>I don't use any commercial virus scanners (I have "Virus Scanning = yes"
>and "Virus Scanners = none"), only Attachment Filename Checking is used.
>How can I allow zip attachments to go through?
>From: MailScanner <postmaster at xxx.lt>
>Date: Fri, 29 Nov 2002 15:26:21 +0200
>Subject: Warning: E-mail viruses detected
>The following e-mail messages were found to have viruses in them:
>     Sender: xxx
>IP Address: xxx
>  Recipient: xxx
>    Subject: pianinas piano[1][2].zip [1/2]
>  MessageID: gATDJGq9022006
>     Report: External message bodies cannot be scanned and are removed

The problem is not zip attachments, the problem is that the zip attachment
is not held within the message itself (it normally is in the message), but
is retrieved from some external source by the recipient's mail application,
if it happens to implement that (which very few do).

If you just send the attachment normally, this won't be a problem.
Julian Field                Teaching Systems Manager
jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
Tel. 023 8059 2817          University of Southampton
                             Southampton SO17 1BJ

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