Ставишь друпию и юзаешь функцию
SendEmail
SendEmail(Name.s,sender.s,recipient.s,Username.s,Password.s,smtpserver.s,subject.s,body.s)
Description:
Send a mail with authentication ( Set Username / Password ) or without authentication if you leave them to blank.
Name: set the name of the sender
Sender: set the Sender Email Address
Recipient: set the Recipient Email address
SmtpServer: set the Smtp Server
Subject: set the Subject
Body: set the Body