yMail is a Social & Communication software developed by Spacejock Software. After our trial and test, the software is proved to be official, secure and free. Here is the official description for yMail:
Brothersoft Editor: yMail is a POP3 email client with an intelligent filter which trains itself to recognize spam from the contents of your inbox. It can also be used purely as a pre-filter for your existing mail program, sitting in the system tray and cleaning spam automatically before you download it. yMail also includes email notification, displaying an unobtrusive icon when you have mail waiting. you can free download yMail 2.0 now.