I'm not expert, on this area, but unless I'm mistaken, that happens when the email address you are sending the mail to doesn't exist. For example if you try to send a mail to [EMAIL PROTECTED], when the actual address is [EMAIL PROTECTED], the username monk will not exist. Check your 'to' address.
On 4/16/05, Satyam <[EMAIL PROTECTED]> wrote: > I think the specs are in RFC 822. You should find if there. > > Satyam > > "AndreaD" <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] > > When trying to send mail via localhost I get the following error > > > > Warning: mail() [function.mail]: SMTP server response: 550 5.7.1 > > > > > > Any ideas?/ > > > > > > RH > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php