Requirements For Mail()

[.hack//GU 0]

I'm trying to use mail() function.What I have to do beforehand?I have XAMPP installed, is Mercury one of mail servers?If so, what I could do to use it?

[demank 0]

For the Mail functions to be available, PHP must have access to the sendmail binary on your system during compile time. If you use another mail program, such as qmail or postfix, be sure to use the appropriate sendmail wrappers that come with them. PHP will first look for sendmail in your PATH, and then in the following: /usr/bin:/usr/sbin:/usr/etc:/etc:/usr/ucblib:/usr/lib. It's highly recommended to have sendmail available from your PATH. Also, the user that compiled PHP must have permission to access the sendmail binary.

Notice from truefusion:

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[it01y2 0]

I recommend you look at the php localhost mail manual for mail when you have local mail setup, located here:
http://uk3.php.net/manual/en/function.mail.php

I think your isp needs to allow mail host or something like that to get it working.