I need a solution
We have some problem send email to email@example.com and another email under cluster messagelabs.com
The following error report :
Reporting-MTA: dns; mx651.qwords.net Action: failed Final-Recipient: rfc822;firstname.lastname@example.org Status: 5.0.0 Remote-MTA: dns; cluster8.us.messagelabs.com Diagnostic-Code: smtp; 501 Connection rejected by policy [7.7] 20105, please visit www.messagelabs.com/support for more details about this error message.
This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: email@example.com host cluster8.us.messagelabs.com [22.214.171.124] SMTP error from remote mail server after initial connection: 501 Connection rejected by policy [7.7] 20105, please visit www.messagelabs.com/support for more details about this error message.
We are using Spamfilter for outgoing email and not open relay, The list of our ip cluster :
We try to check our reputation IP in :
Our IP Does not have negative reputation,
Please help to resolve the problem