hi there. i am getting tons (megabyte a day) of errormessages like the ones below. from various changing ip adresses. all to adresses that dont exist on our server at all. pretty random names.
what is this guy trying to do? and how can i prevent him from doing it? any idea? 18:41:05 1 SMTP-555([61.188.250.8]) Recipient '<[EMAIL PROTECTED]>' rejected: user unknown 18:41:06 1 SMTP-555([61.188.250.8]) Recipient '<[EMAIL PROTECTED]>' rejected: user unknown 18:41:06 1 SMTP-555([61.188.250.8]) Recipient '<[EMAIL PROTECTED]>' rejected: user unknown 18:41:07 1 SMTP-555([61.188.250.8]) Recipient '<[EMAIL PROTECTED]>' rejected: user unknown 18:41:08 1 SMTP-555([61.188.250.8]) Recipient '<[EMAIL PROTECTED]>' rejected: user unknown 18:41:08 1 SMTP-555([61.188.250.8]) Recipient '<[EMAIL PROTECTED]>' rejected: user unknown 18:41:09 1 SMTP-555([61.188.250.8]) Recipient '<[EMAIL PROTECTED]>' rejected: user unknown ############################################################# This message is sent to you because you are subscribed to the mailing list <[EMAIL PROTECTED]>. To unsubscribe, E-mail to: <[EMAIL PROTECTED]> To switch to the DIGEST mode, E-mail to <[EMAIL PROTECTED]> To switch to the INDEX mode, E-mail to <[EMAIL PROTECTED]> Send administrative queries to <[EMAIL PROTECTED]>
