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PHP Error message when sending mail via Mercury

PostPosted: 10. September 2009 21:38
by creacon
I'm using the mail() function in a php program, and every time I execute it I get the following error message:

Warning: mail() [function.mail]: SMTP server response: 530 authentication required - "for help go to http://help.yahoo.com/help/us/mail/pop/pop-11.html"

This does NOT happen when I run the form from my web hosting site; only when I try to test locally using XAMPP and Mercury Mail. Also, I don't know what yahoo has to do with anything, I'm not using yahoo mail anywhere in my program nor in the php.ini and mercury.ini. Yes, my isp server requires authentication, but how do I set this up in Mercury. I noticed a line in mercury.ini that reads: "SMTP_Authentication : 0"; is that the problem - is that a wrong setting? I tried changing it to 1 but that didn't help.