Re: dns A records not used when there's no MX

[Rod Dorman [Permanent Link]]

On Saturday, August 11, 2007, 21:10:21, Chris wrote:
>   ...
> You NEED a valid MX record for mail to work.    ...

No, you don't.

RFC 2821 section "5. Address Resolution and Mail Handling" is quite
explicit.

   "If no MX records are found, but an A RR is found, the A RR is
   treated as if it was associated with an implicit MX RR, with a
   preference of 0, pointing to that host."


-- 
rodd AT polylogics DOT com     "The avalanche has already started, it is too
Rod Dorman              late for the pebbles to vote." - Ambassador Kosh