Re: E-mail Validation Question

Hello Jeff, On 17-Feb-01 21:49:42, you wrote: >Just a curiosity. I installed and tested Manuel Lemos's >PHP E-mail validation class. When I entered an address >at the @wi.rr.com domain, no matter what I put before >the domain, it would come back as valid. (That's the >Wisconsin domain for Road Runner cable service.) But >when I tried it for @earthlink.net only real addresses >came back as valid. Does anyone know what it is about >some mail servers at certain domains that it would return >everything as valid? >Jeff Oien >so skjoeiruoi@wi.rr.com would show as a valid address. >skjoeiruoi@earthlink.net wouldn't but tim@earthlink.net would Newer SMTP servers tend to not verify if a recipient address is valid when the message is submitted to the server but rather later when the message is attempted to be delivered. I suppose that is because it takes less time to queue a message for delivery and it sort of protects the privacy of addresses that correspond to valid accounts so it makes it harder for people that keep spam lists to verify if the addresses they have are valid or not. Regards, Manuel Lemos Web Programming Components using PHP Classes. Look at: http://phpclasses.UpperDesign.com/?user=mlemos@acm.org -- E-mail: mlemos@acm.org URL: http://www.mlemos.e-na.net/ PGP key: http://www.mlemos.e-na.net/ManuelLemos.pgp --