This mail never gets delivered. Any ideas why?

[Chris Angelico]

On Sun, Mar 10, 2013 at 8:25 AM, Νίκος Γκρ33κ <nikos.gr33k at gmail.com> wrote:
> mail = form.getvalue('mail')
>
> id what the user types in an html form and click submits. this can be a non valid email of course i just check if there is a '@' in the mail address.
>
> But will the mail, gets delivered even if mail's value is invalid?

I asked the postman to deliver a letter to Dreaded Batter Pudding
Hurler, Bexhill-on-Sea, England 142857. Will that letter get delivered
even if that address is invalid? Is email in any way magical and able
to deliver mail to invalid values, whatever it is you mean by "value"?

ChrisA