PHP Verification Email Address method sharing

This article to share some of the PHP code used to verify the email address, the need for friends, refer to learn it. For example, in the user registration program, we often want to check the e-mail address entered is correct, you can use the following code: Or this: Above, it simply detects the correct format of the mailbox and does not check for a specific domain name. If you want to check for something similar to the mailname@domainname.xxx, the @ after. The can detect the domain name to more accurately determine whether the mailbox address is valid. The code is as follows: !--? php/*** the validity of email address detection by domain name * edit by bbs.it-home.org* Use PHP functions getmxrr with Fsockopen*/list ($mailusername, $Domainname) = Split ("@", $myemail), if (GETMXRR ($Domainname, $MXHost)) {return TRUE;} else {if (Fsockopen ($Domainname, $errno, $errstr,)) {return TRUE; } else {return FALSE; }}?-->

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