Or ,as has been mentioned before, use the Manuel Lemos email validation
class which will attempt to verify that the address can recieve mail.
----- Original Message -----
From: "Don" <[EMAIL PROTECTED]>
To: "php list" <[EMAIL PROTECTED]>
Sent: Friday, February 16, 2001 9:50 AM
Subject: [PHP] validating an e-mail address entry
> Does anyone know of a way to validate an e-mail address that was entered
> and submitted from a form? I would like to trap invalid syntax.
> Perhaps there exists a script that does just that?
>
> I assume valid syntax is the following:
>
> One or more characters before the @ sign, followed by an optional '[',
> then any number of letters, numbers, dashes or periods (valid domain/IP
> characters) ending in a period and then 2 or 3 letters (for domain
> suffixes) or 1 to 3 numbers (for IP addresses). An ending bracket is
> also allowed as it is valid syntax to have an email address like:
> user@[255.255.255.0].
>
> Thanks,
> Don
>
>
>
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