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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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