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>If any (MX records) exist, the domain is okay.  

Yup.

>If there are no MX records, use GetHostByName to determine if the
domain is okay. 

Technically speaking, if an A record exists you're good. But since
GetHostByName would rely on the existance of an A records there about
the same. 

>Or am I still lost?

Nope, think you've got it. But remember, like others have pointed out,
you've not really verified that the address is valid, just that it could
be valid. You'd need to send an e-mail to check that it is valid.

-Walden

------------
Walden H Leverich III
Tech Software
(516) 627-3800 x3051
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com

Quiquid latine dictum sit altum viditur.
(Whatever is said in Latin seems profound.)


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