I need a solution
Can we please get this investigated.
We control this server and it is hosting 1 single domain for a canadian magazine. It is causing a lot of issues as we cannot seem to send invoices and contact some of our clients. We barely send emails.
IP is not balcklisted, it's reputation seems to ge good and we controlled it for the past 12 months so we do not understand this tag.
Server IP: 5.135.3.164
Reporting-MTA: dns; server.revistamar.com
Action: failed
Final-Recipient: rfc822;cmonteiro@bothwell-accurate.com
Status: 5.0.0
Remote-MTA: dns; cluster4.us.messagelabs.com
Diagnostic-Code: smtp; 501 Connection rejected by policy [7.7] 5516
Greatly appreciated.
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