On Mon, Oct 20, 2008 at 6:33 PM, Neil <[EMAIL PROTECTED]> wrote: > On 20 Oct 2008, at 18:24, Linux Addict wrote: > > Hi, Looks like our MX servers are hit hard by a specific email address > which is sending frequent mails trying to use our relay effectively many > mail servers seems to be blacklisting. > > Oct 20 18:20:05 mx01 postfix/qmgr[6512]: DBB784BE68E: from=< > [EMAIL PROTECTED]>, size=3309, nrcpt=1 (queue active) > Oct 20 18:20:05 mx0 postfix/error[9345]: DA960E73E11: to=< > [EMAIL PROTECTED]>, relay=none, delay=77080, > delays=76950/130/0/0.01, dsn=4.4.1, status=deferred (delivery temporarily > suspended: connect to exchange.net Connection timed out) > > Please help me stop this. Thank you! > > ~LA > > > Unless I'm mistaken (and I'm not the most knowledgeable person on this > list), I think your server thinks it's okay to accept mail for the domain " > exchange.net" (and I'm assuming "exchange.net" isn't yours). So to fix > this, you need to tell postfix only to accept mail for your domains. I > think you should check my_destination, relay_domains, etc. > > Post the output of "postconf -n". > > -N. >
Thanks for your reply. mydestination = $myhostname relay_domains = $mydestination Actually its not just exchange.net, most of the mails are being sent to bellsouth.net Oct 20 18:37:27 mx01 postfix/qmgr[6597]: 5CE74D08FE1: from=< [EMAIL PROTECTED]>, size=3237, nrcpt=1 (queue active) Oct 20 18:37:27 mx01 postfix/error[6838]: 57AD01031088: to=< [EMAIL PROTECTED]>, relay=none, delay=14928, delays=14928/0.05/0/0, dsn=4.0.0, status=deferred (delivery temporarily suspended: host gateway-f2.isp.att.net[207.115.11.16] refused to talk to me: 450 too frequent connects from 63.240.86.13, please try again later.) Thanks LA