>>Does anyone know how to check for the validity of email addresses beyound the simple check for one @ and one . ?
>>
>>Domain and/or domain+account checks???
>
>Regarding syntax check, you can look at Thread #557301 Message #557408.
>
>A valid domain name does not imply a valid mail server: a great number of host names (that reply positively to DNS checks) don't have mail servers attached. I think no service will be able to assure a working account@server, but I may be proven wrong.

That's OK, at least the domain is correct