PHP Email (mail)
Local Server-Side Configuration Obstacles
php.ini Configuration
SMTP = smtp.yourdomain.com
smtp_port = 25
Local Firewall, Network Administrators, and ISP's
Spam/Junkmail Filters and Content Type Obstacles
Remote Server Testing Alternative/Production Environment
Host: http://mitchellgohman.com/
Host Directory: web2/
Username: webftp
Password: testftp
Helpful Links
mail Function Manual
PHP INI Settings Manual