Re: email validation (no regex)
| From: | cron at odi dot com dot br | Date: | Fri, 23 Sep 2005 04:10:30 +0000 |
| Subject: | Re: email validation (no regex) | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-222964@lists.php.net to get a copy of this message | ||
As an admin I would assume this as spammers trying to get some emails and I would block this on the firewall.
----- Original Message ----- From: "Michael Sims" <michaels@crye-leike.com>
To: <php-general@lists.php.net>
Sent: Wednesday, September 21, 2005 4:22 PM
Subject: RE: [PHP] email validation (no regex)
Jim Moseby wrote:Most all mail transfer agents will fall back to looking for an A record if an MX record doesn't exist. It's good practice to define an MX record but it isn't required... -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.phpThere's no requirement for an MX-record, so you'd need to check the A-record ($domain) too.Excellent answer. No requirement for MX record? [showing my ignorance] How does email routing happen if there is no mail exchanger in the zonefile for a particular domain? [/ignorance]