the only reliable way of checking whether or not an
email address is valid is by sending an email to it
and getting a response that isn't a bounce.
likewise there's no "formal" way of validating an
email address. to wit, these are all valid email
addresses that could exist on a server:
j
[EMAIL PROTECTED]
[EMAIL PROTECTED]
to get a sense of the complexity of this task, take
a look at the regular expression for matching an email
address in Appendix B of "Mastering Regular Expressions"
http://www.oreilly.com/catalog/regex/index.html
regards
--e--
On Thu, May 25, 2000 at 11:11:23AM +0800, Song Jianping wrote:
> Hello,
>
> Is there any utilities to check the validity of
> email address? That is, not only check the format
> of email address, but the existence of the mail box.
>
> I try to use "sendmail -bv" but it does not work
> as i imagine.
>
> can anyone give me a hint?
>
>
> Best regards,
> Song mailto:[EMAIL PROTECTED]
>
>
