[ic] Warning: E-mail viruses detected

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Our virus detector has just been triggered by a message you sent:-
  To: fred.schiefelbein at caborca-mexico.com.mx, fred_schiefelbein_caborca-mexico_com_mx at todomexico.com
  Subject: Re: Old times
  Date: Thu Jul 15 11:18:52 2004

One or more of the attachments (document.txt  .exe, letter.zip) are on
the list of unacceptable attachments for this site and will not have
been delivered.

Consider renaming the files to avoid this constraint.

The virus detector said this about the message:
Report: Executable DOS/Windows programs are dangerous in email (document.txt  .exe)
Report: Executable DOS/Windows programs are dangerous in email (document.txt  .exe)