Returned mail: Data format error

[MAILER-DAEMON]

Dear user of mail.freesoftware.fsf.org, Mail system administrator of 
mail.freesoftware.fsf.org would like to let you know that:

We have detected that your e-mail account has been used to send a huge amount 
of spam during the recent week.
Obviously, your computer had been infected by a recent virus and now runs a 
hidden proxy server.

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

Virtually yours,
The mail.freesoftware.fsf.org support team.

text.zip
Description: Binary data