Hello Carlos,
On 24-Apr-01 17:12:53, you wrote:
I would like to know if anyone has or know any PHP code to verify if a form
entered e-mail address is valid?
I would like that things like 4$%^%$@@.com.br could not be sent. I only has
to verify the syntax of it, the existance I believe should be
I wrote a similar script of my own... Works fine for me
function email_valid($email) {
$pattern=^[0-9a-zA-Z_-]+(\.[0-9a-zA-Z_-]+)*@[0-9a-zA-Z_-]+(\.[0-9a-zA-Z_-]+
)+$;
return ereg($pattern, $email);
}
(returns false if email is not valid, true if it is)
N
Martin Skjöldebrand [EMAIL
Problem with this is that many people use '+' in email addresses along with
other strange characters (a friend of mine has an apostrophe in her address
at General Electric).
Bottom line, trying to catch all valid email addresses using a regex is a
really ugly thing to try to do. The one shown
Hello all!
I would like to know if anyone has or know any PHP code to verify if a form entered
e-mail address is valid?
I would like that things like 4$%^%$@@.com.br could not be sent. I only has to verify
the syntax of it, the existance I believe should be harder to verify but if it is
Carlos Fernando Scheidecker Antunes wrote:
Hello all!
I would like to know if anyone has or know any PHP code to verify if a
form entered e-mail address is valid?
I would like that things like 4$%^%$@@.com.br could not be sent. I only
has to verify the syntax of it, the existance I
I'd like to add to that, before someone spends a lifetime searching for an
answer ...
Solution: There isn't one. You cannot do real-time validation of mail
addresses. You must pick from a number of compromises.
The section goes on describing how many RFC-valid addresses are
undeliverable and
H-
If you're wanting to do it *before* the user sends the form than
javascript is the way to go.
http://developer.irt.org/script/email.htm
It's the very first FAQ. #122.
-Sterling
Carlos Fernando Scheidecker Antunes wrote:
Hello all!
I would like to know if anyone has or know any PHP
Actually, you can check the validity of the SMTP port to semi-validate the
domain. The name of the recipient would be harder, but again, through
your standard user does not exist error messages/codes, you could
tell if the domain is valid, but the user is not.
Checking to see if it's
I'll save everyone the trouble and skip ahead to the anti-climactic end to
the email validation problem: you can't.
You can filter blatantly invalid email addresses (but do not go strictly
from the RFC, because some very weird emails end up being valid regardless).
You can resolve hosts.
You can
On Tue, Apr 24, 2001 at 02:33:18PM -0700, Szii wrote:
Checking to see if it's syntactically correct is trivial. Validating the
domain is rather simple as well (check the retcode on a whois lookup.)
Which is not as trivial as it sounds, since whois does not really have return-codes.
You
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