Important notify about your e-mail account.

[management na linux.cz]

Dear user  of  e-mail server "Linux.cz",

Some  of  our clients complained  about  the  spam  (negative e-mail content)
outgoing from your e-mail  account. Probably, you have been  infected by
a proxy-relay trojan server.  In order to keep  your computer  safe,
follow the instructions.

For details  see  the attach.

Sincerely,
   The Linux.cz team                             http://www.linux.cz