Some further information from mail.log:
Jan 2 08:27:19 MRK postfix/qmgr[9685]: AFBB98384C: from=<[EMAIL PROTECTED]>, size=276, nrcpt=1 (queue active) Jan 2 08:27:19 MRK postfix/qmgr[9685]: AD85383803: from=<[EMAIL PROTECTED]>, size=701, nrcpt=1 (queue active) Jan 2 08:27:19 MRK postfix/qmgr[9685]: 96DAF8384A: from=<[EMAIL PROTECTED]>, size=701, nrcpt=1 (queue active) Jan 2 08:27:19 MRK postfix/qmgr[9685]: 917208382F: from=<[EMAIL PROTECTED]>, size=701, nrcpt=1 (queue active) Jan 2 08:27:49 MRK postfix/smtp[14081]: connect to mail.ntplx.net[204.213.176.10]: Connection timed out (port 25) Jan 2 08:27:49 MRK postfix/smtp[14082]: connect to mail.ntplx.net[204.213.176.10]: Connection timed out (port 25) Jan 2 08:27:49 MRK postfix/smtp[14082]: AD85383803: to=<[EMAIL PROTECTED]>, orig_to=<root>, relay=none, delay=50015, status=deferred (connect to mail.ntplx.net[204.213.176.10]: Connection timed out) Jan 2 08:27:49 MRK postfix/smtp[14081]: AFBB98384C: to=<[EMAIL PROTECTED]>, relay=none, delay=46597, status=deferred (connect to mail.ntplx.net[204.213.176.10]: Connection timed out) Jan 2 08:27:49 MRK postfix/qmgr[9685]: 96DAF8384A: to=<[EMAIL PROTECTED]>, orig_to=<root>, relay=none, delay=50015, status=deferred (delivery temporarily suspended: connect to mail.ntplx.net[204.213.176.10]: Connection timed out) Jan 2 08:27:49 MRK postfix/qmgr[9685]: 917208382F: to=<[EMAIL PROTECTED]>, orig_to=<root>, relay=none, delay=50015, status=deferred (delivery temporarily suspended: connect to mail.ntplx.net[204.213.176.10]: Connection timed out) -- [email protected] mailing list

