How to send an email using php in windows 2000

Hi, i got a lot of problems to send an email using php in windows 2000, first my outgoing server only support this feature with authentication if i use email function from php this return me "server error" in my php..ini file i have configured the [mail function] with : SMTP mysmtpserver sendmail_from me@myserver.com but like i told my smtp serve require authentication. is there any good program in php to send email or my problem will be my ISP provider which supplies to me mail with POP y SMTP server? Does anyone have an idea how to insert ASP code in a php code ?? Please help me or if you can send me a copy of code. Thanks. Jorge Nishikuni System Engineer Address : Avenida 2H # 52AN-34, Apto 303C (Cali-Colombia) Phone : 57+2+6654959 E-mail : tokuji@tutopia.com Icq Number : 17691468