scripts not sending out emails

[AashX]

Hello,


I use php scripts to send out emails but I have a problem with it.

My scripts sends out email if FROM is "[email protected]" or "[email protected]" but it doesnot send out emails if FROM is "[email protected]"

ie.

mails goes out if "mydomain.com","hosteddomains.com" are hosted on the same server but mails doesnot goes out if i use email address in FROM field that belongs to domain which is not hosted on my server. for example "[email protected]" or "[email protected]" because hotmail and yahoo.com are not hosted on my server.

How to get the solution out of it so that email goes out to any domains.

regards,
AashX