Email Validation with domain

[Sallu]

On Jul 2, 6:25 pm, Ben Finney <bignose+hates-s... at benfinney.id.au>
wrote:
> Sallu <praveen.sunsetpo... at gmail.com> writes:
> > validateEmail(msg)  i wrote a script above it works fine
>
> Actually, no. It rejects a great many email addresses that are valid.
>
> > but it does not check for valid domain like .com .org .in how to
> > validate with domain
>
> To validate a domain for delivery of email, check with the DNS by
> requesting the A or MX record for that domain.
>
> To validate an email address, check with the mail server for that
> domain by sending a message to the address.
>
> Neither of them should be "validated" by a regular expression.
>
> Please refer to RFC 3696 <URL:http://www.ietf.org/rfc/rfc3696.txt>
> described as "Recommended techniques for applications checking or
> manipulating domain and other internet names".
>
> --
>  \        “Pinky, are you pondering what I'm pondering?” “Wuh, I think |
>   `\   so, Brain, but wouldn't anything lose its flavor on the bedpost |
> _o__)                               overnight?” —_Pinky and The Brain_ |
> Ben Finney

Thank you to all of you and clearing my idea..