Hello,
i want to send emails from other domains, like i have main domain as example.com all my emails are handled by example.com and now my concern is i also want to send some emails of other domains from my mail server like yahoo.com gmail.com from my domain, just like how gmail is doing it, from address will be the yahoo/gmail/mail provider email address and sender address will be my email address like info@example.com how can this be implemented ? any ideas ?