- bad welcome response from server,554 ip is rejected,smtp auth error limit exceed2013-11-28
- host ****[213.21.160.12] said: 554 sorry, Spam detected by SpamAssassin (#5.3.4) (in reply to end of DATA command)2013-11-28
- SMTP error, DOT: 553 Blocked Using Spam Pattern, Your Message May Contain The Spam Contents2013-11-28
- SMTP error, MAIL FROM: 553 sorry, your domain isn't in my list of allowed rcpthosts2013-11-28
- The message was rejected because it contains prohibited virus or spam content2013-11-28
- SMTP error, DOT: 554 Transaction Failed2013-11-28
- Host abc.com(203.36.225.254) RCPT TO said 451 4.7.1 Greylisted - try again in 300 seconds2013-11-28
- SMTP error, MAIL FROM: 554 sender is rejected: 6072013-11-28
- SMTP error, DOT: 550-Your message has been rejected but is being kept for evaluation2013-11-27
: host 21cnentmail.com[121.14.133.100] said: 553 2013-11-27- The following message to <123@abc.com> was undeliverable2013-11-27
- SMTP error, DATA: 550 Protocol violation2013-11-27
- Your message Subject:*** was not delivered to: 123@abc.com because: Router: Message transfer for 1 recipients has been delayed until low priority time range 21:00:00 - 06:00:00 SMTP2013-11-27
- 550 Mail content denied2013-11-27
- SMTP error, HELO: 500 5.3.3 Unrecognized command2013-11-27
- SMTP error, DOT: 543 reject by dgproxy11(ID:1294726463.24984)(time:Tue Jan 11 14:14:28 2011)2013-11-27
- SMTP error, RCPT TO: 554 Sender address rejected Access denied2013-11-27
- SMTP error, DOT: 554 this mail is rejected by antispam system, id=entas5-mta.15381.1297324689&date=20110210152013-11-27