Tag Archives: 504 5.5.2 HELO COMMAND REJECTED

HOW TO FIX EXCHANGE ERROR: 504 5.5.2 HELO COMMAND REJECTED: NEED FULLY-QUALIFIED HOSTNAME

If you send an email and receive the following undeliverable “Delivery Final Failure Notice” with the following information: Reply from x.x.x.x: 504 5.5.2 <servername>: Helo command rejected: need fully-qualified hostname Then follow this steps to resolve:

Archives

WP-Backgrounds Lite by InoPlugs Web Design and Juwelier Schönmann 1010 Wien