5.4.6 Hop count exceeded – possible mail loop
How to troubleshoot Diagnostic-Code: smtp; 554 5.4.6 Hop count exceeded – possible mail loop? When someone sends an e-mail to our customers; they may receive the following bounce back and the sender in such a case might contact our customer with the following bounce back. Bounce Back: Reporting-MTA: dns; sfw1.apps4rent.com X-Postfix-Queue-ID: E490CF48082 X-Postfix-Sender: rfc822; xxxxxx@xxxxxx.com […]
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