Mydoom Virus getting Through

Julian Field mailscanner at
Tue Feb 10 19:32:42 GMT 2004

At 19:26 10/02/2004, you wrote:
>I have been running MailScanner for quite some time and it has successfully
>found literally thousands of e-mail's infected with the Mydoom virus, as
>well as many others.  However, I have noticed that every now and then for
>whatever reason one seems to slip through MailScanner.  The reason I know
>this is that my mail is first scanned with MailScanner (using eTrust
>Antivirus 7.0) and then it is sent on to another machine running TrendMicro
>InterScan VirusWall (I had that in place before MailScanner).
>On about 4 occasions since the outbreak of Mydoom, a copy of the virus has
>made it through MailScanner undetected and has then been caught by the
>TrendMicro product.  I had it happen several times already today.  I
>checked the e-mail ID and I see in the log on MailScanner where it passed
>through without a hitch.
>I seem to recall someone posting something earlier about this occuring
>while using the Sophos antivirus product.  I just thought this might be
>something to take note of.  By the way, I am currently using MailScanner
>version 4.26.8 and my virus signatures are up to date.  TrendMicro
>InterScan VirusWall reports the e-mail messages in question as having

Can you set "Quarantine Whole Message = yes" and send me the quarantined
copy of one that get through please? You will need to put it in a
password-protected zip file to get to me.
Julian Field
Professional Support Services at
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