On Sat, 2006-05-20 at 16:13, Paul R. Ganci wrote:
Recently my wife received an Email addressed from jdavidson4@home.com. When she tried to reply to the original message her reply bounced with
----- The following addresses had permanent fatal errors ----- jdavidson4@home.com (reason: 553 5.3.5 system config error)
----- Transcript of session follows ----- 553 5.3.5 home.com.nurdog.com. config error: mail loops back to me (MX problem?) 554 5.3.5 Local configuration error
You appear to have a wild-card mx for *.nurdog.com but aren't set up to handle all the possible names. What should happen even if you add your domain to the unresolvable one is that you would still get a 'host not found' from the dns lookup.