nanog mailing list archives

Re: Stealth Blocking


From: mike harrison <meuon () highertech net>
Date: Sat, 26 May 2001 11:11:27 -0400 (EDT)


      Lemme expand on #2 just a bit.  Some mail servers will appear
      to accept all mail, and not send a 5xx response immediately.
      Some won't even generate a bounce message.  But they also won't
      forward the message on to its' off-site recipient.  It'll just

I created and run a couple of specialty mail servers that do just that. I
used to  give the errors, and even tried to bounce back the mail to the
sender,  but all we got then was a queue of undeliverable spam. 

Spammers! Arghh!! 






Current thread: