Re: [PHP] Email verification (was: [PHP] Removing Invalid Users)

2001-07-04 Thread Arcady Genkin
"Steve Werby" <[EMAIL PROTECTED]> writes: > "Arcady Genkin" <[EMAIL PROTECTED]> wrote: > > If I understand correctly, vrfy does not wholy depend on that > > functionality to be supported by the server. I think that it simply > > connects to the smtp port of the mail exchanger and emulates an ema

Re: [PHP] Email verification (was: [PHP] Removing Invalid Users)

2001-07-04 Thread Steve Werby
"Matthew Loff" <[EMAIL PROTECTED]> wrote: > There really isn't any surefire way to verify whether an e-mail exists > or not, except to try to send to it, correct? Bingo. And with catchall accounts and unexpected mail server behavior you may get no response even if an email address is not valid.

Re: [PHP] Email verification (was: [PHP] Removing Invalid Users)

2001-07-04 Thread Steve Werby
"Arcady Genkin" <[EMAIL PROTECTED]> wrote: > If I understand correctly, vrfy does not wholy depend on that > functionality to be supported by the server. I think that it simply > connects to the smtp port of the mail exchanger and emulates an email > delivery, aborting halfway. I hadn't used the

RE: [PHP] Email verification (was: [PHP] Removing Invalid Users)

2001-07-04 Thread Matthew Loff
by [mailto:[EMAIL PROTECTED]] Sent: Thursday, July 05, 2001 12:06 AM To: Arcady Genkin Cc: Clayton Dukes; [EMAIL PROTECTED] Subject: Re: [PHP] Email verification (was: [PHP] Removing Invalid Users) > "Steve Werby" <[EMAIL PROTECTED]> writes: > > Like Tom said, use regex to c

Re: [PHP] Email verification (was: [PHP] Removing Invalid Users)

2001-07-04 Thread Arcady Genkin
"Steve Werby" <[EMAIL PROTECTED]> writes: > So unfortunately vrfy will only be useful when checking servers that haven't > disabled that command. :-( If I understand correctly, vrfy does not wholy depend on that functionality to be supported by the server. I think that it simply connects to th

Re: [PHP] Email verification (was: [PHP] Removing Invalid Users)

2001-07-04 Thread Steve Werby
> "Steve Werby" <[EMAIL PROTECTED]> writes: > > Like Tom said, use regex to check the email is of a valid format. A small > > percentage of servers can be contacted to find whether an email address is > > valid, but fewer and fewer are allowing this so it's completely unreliable. "Arcady Genkin"

[PHP] Email verification (was: [PHP] Removing Invalid Users)

2001-07-04 Thread Arcady Genkin
"Steve Werby" <[EMAIL PROTECTED]> writes: > "Clayton Dukes" <[EMAIL PROTECTED]> wrote: > > How can I write code that will search the database and check the > > validity > of an email address, and if it's bad, to remove that > > entry from the database? > > Like Tom said, use regex to check the e