I'm developing my web site and running it on my local machne during development. In my php.ini file I've set the SMTP to point to the smtp server out on the actual domain that will eventually host the site and set the sendmail_from to be one of my email accounts, already set up, on that domain.
When I invoke mail() from my PHP code I receive an error message:
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SMTP server response: 553 Sorry, that domain isn't in my list of allowed rcpthosts
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I'm trying to send the email to MyUsername@aol.com, so it's unlikely that the problem is actually a disallowed rcpthost. Reading through posts elsewhere on the Internt I conclude that the real problem is that I'm not providing logon information (username and password) to the smtp server. (Via Outlook Express I can indeed send emails out through that smpt server, but Outlook Express allows me to specify the username and password for my domain).
But the PHP mail() function does not appear to have any way to specify username and password. What do I need to do in order to tell the smtp server what my username and password is, so I can successfully use PHP mail() ?