I need a solution
Our organization has been recently recieveing bounceback e-mails with the following content:
Remote-MTA: dns; cluster1.eu.messagelabs.com Diagnostic-Code: smtp; 501 Connection rejected by policy [7.7] 5611, please visit www.messagelabs.com/support for more details about this error message.
Can you please delist our ip 126.96.36.199?
Thank you, Chris