[Mimedefang] Virus scanning
David F. Skoll
dfs at roaringpenguin.com
Mon Jan 3 16:02:16 EST 2005
On Mon, 3 Jan 2005, David Crowfoot wrote:
> When some emails come in from a null sender (<>) and contain a file
> attachment listed in the filter (SCR,COM) and a virus (Sober.J), the
> filter just adds the Header that it went through MIMEDefang, but it
> never catches the virus OR file attachment. All other virual emails are
> caught.
Probably the bounce is generated by qmail, which puts the entire original
message in a plain-text reply. Since it's just a plain text message,
a proper MIME decoder won't decode it and won't even see the virus.
This shouldn't be a problem unless your e-mail client tries to be
clever [sic] and "decode" the plain-text message as if it were a MIME
message. If your e-mail client does this, then it's time to get a new
e-mail client.
Regards,
David.
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