[ale] Validating email addresses

[Jim Popovitch]

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Christopher Fowler wrote:
> I will also add that when I run my program on the data I do the
> following.
> 
> 1.  connect to remoet MX
> 2.  Issue EHLO
> 3.  MAIL FROM: <cfowler at outpostsentinel.com>
> 4.  RCPT TO: <01234567890 at domain.com>
>     I do this to see if it will accept it.  If it
>     does accept it I assume that I can't verify because it
>     will give me a 250 for anything I send.
> 

Just suppose for a minute that someone in China told me that "Bob" was
staying at your house.  Is it OK for me to come over 24/7 and knock on
your door to see if Bob is a valid occupant?

Granted, email ID, or rather lack thereof, is a problem these days, but
SMTP testing is almost as bad.

- -Jim P.
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