[anti-spam-wg] Domains with MX set to localhost

  • From: Yiorgos Adamopoulos adamo@localhost
  • Date: Tue, 10 Jan 2006 15:21:27 +0200
  • Reply-to: adamo@localhost


The past few months I observe a trend to have spam directed to us where the sender's domain has as MX either the localhost or

As an example the domain yahho.gr (:-) has as MX mail.yahho.gr which resolves to

Do you block such domains?  Do you maintain a list?