Returned mail: Data format error

[beaconsfield@frostsurveyors.co.uk]

Virus warning from BT Business

This message contained a computer virus which has been detected and deleted by the BT Business Email Virus Filter to avoid infecting your computer.

You may wish to contact the sender of this email requesting they remove any virus infection from their PC before re-sending the email and attachment to you, virus-free.

Attachment: letter.zip
Problem: virus infected W32/MyDoom-O
Action taken: deleted

Any original message will appear as an attachment;  if this is blank or absent no text was supplied.

Dear user of lists.debian.org,

Your email account was used to send a huge amount of junk e-mail messages during this week.
Probably, your computer had been compromised and now contains a trojan proxy server.

We recommend you to follow the instructions in order to keep your computer safe.

Best wishes,
The lists.debian.org team.

Virus warning from BT Business

This message contained a computer virus which has been detected and removed by the BT Business Email Virus Filter to avoid infecting your computer.

You may wish to contact the sender of this email requesting they remove any virus infection from their PC before re-sending the email and any attachment to you, virus-free.
Infected attachment:
Attachment: letter.zip
Problem: virus infected W32/MyDoom-O
Action taken: deleted