Does your hosting include support for mssql functions in PHP, allowing PHP to interact with either local OR foreign SQL Server databases?

Yes, this is possible. You can use php_mssql extension for that.If you need other extensions...

 I am not getting a response from using their PHP script and the AIM method

On Windows servers when connecting to a secure server via CURL, you must provide and reference...

 PHP version

We support both php 4/5 in all of our plans.

 Sending email (SMTP) using PHPMailer