Re: PEAR Validate email question

Validate::email appears to check for a MX or A record. I'm a bit rusty on my RFCs, but isn't is possible the mail host could be specified using a CNAME? Cheers, David Eric Butera wrote: > Hello, > > I'm using the PEAR Validate::email method to validate email addresses on our > contact forms since the spam bots have gotten so bad. I am using the > "check_domain" flag which calls the php function "checkdnsrr." This form > processor is used on several sites now and all is going well except one > problem. It seems this "checkdnsrr" function randomly returns false on > valid email addresses. I built a little debug feature into the processor to > let me know when the script fails and any error messages it has generated > along the way to try and stay ahead of the spammers. > > I've been getting randomly occurring failure notices. Most of the time it > works, sometimes it doesn't. Every failure is a valid DNS and email > address. If I try running the email address against Validate::email later > it works. I was hoping somebody can shine some light on why checkdnsrr > would work sometimes and why it wouldn't work others. Any help or advice > would be greatly appreciated. > > Thanks in advance! > -- David Grant http://www.grant.org.uk/