Comments on: Telnet to Exchange server on port 25 gets reply 220 ********* and HELO gives 500 5.3.3 Unrecognized command

Comments on: Telnet to Exchange server on port 25 gets reply 220 ********* and HELO gives 500 5.3.3 Unrecognized command/2009/03/03/telnet-to-exchange-server-on-port-25-gets-reply-220-and-helo-gives-500-533-unrecognized-command/Microsoft Exchange & OWA Resources, Information - Optimize, Support, Manage | How-To | Guides | Reference | AdminTue, 03 Mar 2009 10:42:38 +0000hourly1http://wordpress.com/