On 7/15/2011 8:46 AM, Wietse Venema wrote: > Stan Hoeppner: >> In this case it appears they've replaced the 500 5.5.2 unrecognized >> command error with with a custom message: >> 214 See http://www.messagelabs.com/support >> Some of the Synacor systems do this as well, while others have >> the standard Postfix return message. > > Messagelabs replies with: 502 unimplemented (#5.5.1) > > That looks like qmail to me. No other MTA that I know of implements > enhanced status codes by putting them as (#X.Y.Z) inside free text.
Telnet'ing the first two Messagelabs MX hosts in the list I provided, entering 'help' returns: 214 See http://www.messagelabs.com/support Maybe I'm doing something wrong. -- Stan
