Do you want to send E-mail to your friend with other friends e-mail ID ?
Or want to send some e-mails from some reputed brand IDs like sending e-mail from owner@Microsoft.com,etc. to make your friends fool ?
So here is the answer.
One of my closest friend Abhishek developed a Fake mail script. Just a 28 line of code + one form. Upload it to your server and send e-mails from any e-mail IDs. But remember you are not allowed to do spamming using this script. One of the drawback of this (or such) script is you cant receive the responding e-mails ...