On Fri, Jan 2, 2015, at 12:09 AM, Tobia Conforto wrote: > > I can't understand why. It says "Domain not found", but all the domains > > seem to be OK. > > > > host bounce.email.ivyexec.com > > bounce.email.ivyexec.com mail is handled by 10 > > bounce-mx.exacttarget.com. > > The sender domain has a MX record, but no address (A record) and you > probably have reject_unknown_sender_domain = yes, hence "Domain not > found". > > reject_unknown_sender_domain can cause some false positives, for > senders with misconfigured DNS, but it also cuts down on the spam. You > can contact the sender's admin to have his DNS fixed, turn the flag > off, or insert a specific rule to accept that sender before the > reject. > > Tobia
Okay got it. I'm gonna keep the reject_unknown_sender_domain = yes for its benefits and contact the domain admin. Thanks a lot! Roger