On Thu, Apr 03, 2003 at 05:25:35PM -0500, Richard Irving wrote: > It isn't exactly completely RFC compliant, but, it is only a -=Request=-, eh ?
It is in fact required that an MTA fall back to the A record for a domain if an MX record does not exist. See RFC 2821, Section 5, "Address Resolution and Mail Handling". > > Obviously some admins I have encountered are starting to host mailservers > > for sub-domains and domains without MX entries on their DNS zone records. > > Relying on the A record alone. > > Lemmings make a mad dash towards a cliff, every so often, en masse.... This is a fallacy perpetrated by Disney. http://www.snopes.com/disney/films/lemmings.htm --Adam
