From: TR Shaw > On Oct 25, 2010, at 6:46 PM, Daniel P. Brown wrote: >> On Mon, Oct 25, 2010 at 18:38, <web...@blaettner.com> wrote: >>> >>> Is there any other function which checks whether this >>> address really exists? >> >> Of course not! Can you imagine the implications, insecurities, >> and privacy concerns that would be associated with that? Some >> mailservers will confirm or deny if a local address exists, but not >> most --- thankfully.
> Not true or else you would never get mail. Of course it's true. Most servers will accept any email sent to a valid domain name, then silently discard all messages that don't have valid user names, expecting that set to be mostly SPAM. This created a new problem where the legitimate senders no longer know when their mail didn't get delivered due to a typo in the address. Bob McConnell -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php