Hornetsecurity Spamfilter is a spam filter service designed to help enterprises detect & protect email mailboxes from spam, malware and viruses, with spam recognition & virus detection technology, plus adjustable content filters for unwanted attachments, statistics, encrypted data traffic, and more.
PHP: Hypertext Preprocessor is a server-side scripting language designed for Web development, but also used as a general-purpose programming language. PHP code may be embedded into HTML code, or it can be used in combination with various web template systems, web content management systems, and web frameworks.