J B wrote:
> On 9/21/05, Michael Sims <[EMAIL PROTECTED]> wrote:
>> Additionally, some mail servers unconditionally accept mail
>> addressed to ANY username at their domain, whether that user
>> actually exists or not. This is very bad practice, because it
>> usually means the accepting MTA is a "
J B wrote:
On 9/21/05, Michael Sims <[EMAIL PROTECTED]> wrote:
Additionally, some mail servers unconditionally accept mail addressed to ANY
username at their domain, whether that user actually exists or not. This is
very
bad practice, because it usually means the accepting MTA is a "dumb" hos
On 9/21/05, Michael Sims <[EMAIL PROTECTED]> wrote:
> Additionally, some mail servers unconditionally accept mail addressed to ANY
> username at their domain, whether that user actually exists or not. This is
> very
> bad practice, because it usually means the accepting MTA is a "dumb" host
> th
> -Original Message-
> From: Jim Moseby [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, September 21, 2005 12:21 PM
> To: php-general@lists.php.net
> Subject: RE: [PHP] Re: email validation (no regex)
>
>
> >
> > btw simply checking for a single '@&#x
Philip Hallstrom wrote:
>>> but you could do what you want to do. however, it's going to be
>>> painful if you want it to match the rfc spec...
>>
>> Really? Why does it need to be painful? I just need to do a
>> 'EHLO', 'Mail From:' and 'RCPT to:' and 'QUIT'. It's not going to
>> actually send a
but you could do what you want to do. however, it's going to
be painful if
you want it to match the rfc spec...
Really? Why does it need to be painful? I just need to do a 'EHLO', 'Mail
From:' and 'RCPT to:' and 'QUIT'. It's not going to actually send an email.
Seems simple to me. Maybe there
> > because you should want/need to validate that the address is correct
> prior
> > to determining if the email server is up running...
> >
> > the regex function simply allows you to quickly determine if the address
> > is
> > valid... doens't mean that it's going to go to an actual live user...!
>
> btw simply checking for a single '@' with a domain doesn't do
> it... what if
> the user has '[EMAIL PROTECTED]' or '[EMAIL PROTECTED]'. will your
> regex accept/deny
> this???
My function will quickly deny those because the DNS lookup for them will
immediately fail. Will your regex deny '[
> because you should want/need to validate that the address is correct prior
> to determining if the email server is up running...
>
> the regex function simply allows you to quickly determine if the address
> is
> valid... doens't mean that it's going to go to an actual live user...!!
>
> btw si
anetThoughtful [mailto:[EMAIL PROTECTED]
Sent: Wednesday, September 21, 2005 12:01 PM
To: 'Jim Moseby'; php-general@lists.php.net
Subject: RE: [PHP] Re: email validation (no regex)
> > What you have is virtually impossible to determine if all legitimate
> possibilities are covere
> > What you have is virtually impossible to determine if all legitimate
> possibilities are covered.
> > email validation using regex is a very heavily analyzed subject
> > Google "regex email validate" and you'll find loads of expressions.
> Look at the Zend article, it provides some insigh
> jim...
>
> validating email means different things to different people...
True, but for the most part people just want to know whether a user has
entered a real working email address into their forms. What better test
than to try to send an email to it?
>
> but there's no way you're going
Jim Moseby said the following on 09/21/05 11:00:
>>>So, what is the general thought about validating email
>>
>>addresses in this
>>
>>>manner?
>>>
>>>JM
>>
>>Thre is a good reason why virtually everyone uses regex
>>patterns for email validating.
>
>
> Excellent start! And that good reason is
a feel
for how extensive this task can get...
-Original Message-
From: Jim Moseby [mailto:[EMAIL PROTECTED]
Sent: Wednesday, September 21, 2005 11:01 AM
To: 'Al'; php-general@lists.php.net
Subject: RE: [PHP] Re: email validation (no regex)
> > So, what is the general
> > So, what is the general thought about validating email
> addresses in this
> > manner?
> >
> > JM
> Thre is a good reason why virtually everyone uses regex
> patterns for email validating.
Excellent start! And that good reason is...?
How can regex ensure that the email address that is su
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