Mar 2 10:45:34 matej postfix/smtp[29824]: connect to mxs1.saleandpartners.com[69.64.155.127]: Connection timed out (port 25) Mar 2 10:45:34 matej postfix/smtp[29824]: 50B5124C8C8: to=, relay=none, delay=197410, status=deferred (connect to mxs1.saleandpartners.com[69.64.155.127]: Connection timed out) Mar 2 10:45:37 matej postfix/smtp[29829]: connect to mx2.menara.ma[196.217.246.27]: Connection timed out (port 25) Mar 2 10:45:37 matej postfix/smtp[29821]: 86858114D529: to=, relay=alt1.gmail-smtp-in.l.google.com[74.125.93.27], delay=105184, status=deferred (host alt1.gmail-smtp-in.l.google.com[74.125.93.27] said: 421-4.7.0 [193.179.183.90] Our system has detected an unusual amount of 421-4.7.0 unsolicited mail originating from your IP address. To protect our 421-4.7.0 users from spam, mail sent from your IP address has been temporarily 421-4.7.0 blocked. Please visit http://www.google.com/mail/help/bulk_mail.html 421 4.7.0 to review our Bulk Email Senders Guidelines. 6si12609175qwk.32 (in reply to end of DATA command)) Mar 2 10:45:38 matej postfix/smtp[29823]: connect to mail.easygroup.co.uk[193.115.199.236]: Connection timed out (port 25) Mar 2 10:45:38 matej postfix/smtp[29823]: 80E0E114D485: to=, relay=none, delay=249711, status=deferred (connect to mail.easygroup.co.uk[193.115.199.236]: Connection timed out)