sending a virus from mailscanner's domain is undetected butincoming mail from either our domain or others is detected

[Matt Doherty]

Hello,
No not on the machine running mailscanner, but outlook 2000 on a workstation
sent an email to an outside domain with a virus to test and the outside
domain received it with the virus in tact.. Its the test virus you referred
me earlier to use.. when I reply (from the outside domain) and its incoming
to mailscanner, it will pick it up then. only incoming scanning is taken
place not outgoing.
Thanks!
  -----Original Message-----
  From: Julian Field [mailto:mailscanner at ECS.SOTON.AC.UK]
  Sent: Friday, June 21, 2002 2:40 PM
  To: MAILSCANNER at JISCMAIL.AC.UK
  Subject: Re: sending a virus from mailscanner's domain is undetected
butincoming mail from either our domain or others is detected


  At 17:36 21/06/2002, you wrote:
  >Sending a virus from mailscanner's domain to another is undetected, but
  >incoming mail from either our domain or others, is detected.
  >Is this normal?

  Did you run the email client program on the machine that is running
  MailScanner, by any chance? If so, did you make the email program talk
SMTP
  to localhost:25 or did it invoke sendmail directly?

  MailScanner (when running with sendmail) can only scan mail coming in the
  SMTP port. There is no way (with sendmail) of scanning mail poked directly
  at the sendmail binary.
  --
  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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