> -----Original Message----- > From: David B Funk [mailto:[EMAIL PROTECTED] > Sent: Thursday, October 19, 2006 1:10 AM > To: Michael Scheidell > Cc: users@spamassassin.apache.org > Subject: RE: Q. about spam directed towards highest MX Record? > > > On Wed, 18 Oct 2006, Michael Scheidell wrote: > > Or, even better, point it at an unused IP on your network. (don't > > point it at 127.0.0.1, that will get you blacklisted in the > > rfc-ignorant invalid mx list)
> They call and say your mail server has been down for days, > never accept any of their mail. You check your server logs > and say that their server never even tried to connect to any > of your servers. ;( Been there, got the Pissed-off-LLuser > medal to prove that it can happen. Firewall logs. If that unused ip address isn't allowing port 25 in, the default rule on your firewall should have connection attempts to port 25. (I found blackberry for some reason tries to connect to the last mx. I discussed it with a tech once, they do it on purpose since they said their emails get through more often in the secondary. :-)
