From: Prabhpal S. Mavi <prabhpal at digital-infotech.net> > Sender address rejected: unverified address: > host mail.digital-infotech.net[41.211.25.193] > said: 450 4.7.1 Client host rejected: cannot find your hostname, [205.234.223.198] Is this the issue...? $ host 41.211.25.193 193.25.211.41.in-addr.arpa has no PTR record JD