Page 2 - mail() function doesnt give any error

You probably cant send to hotmail because your server doesn't have the correct reverse dns lookup. Basically you "from:" address domain has to match the domain from which the message came from.

In my case, and because I'm on dsl etc, with a dyndns.com account my reverse lookup goes to my dsl providers domain and not my dyndns domain. The only thing I can think of doing is to not use mail() but something where you can use SMTP authoriseation so that you can send email through your ISPs email server rather than through their DNS. The only problem with this is that they might not take too