Thunderbird is an email client made by Mozilla that allows to receive, send and manage emails from a smart interface.
Users can add different email addresses and customize settings for each email account added. Supports tabs and you can open multiple windows in the same time and arrange them as you want.
It supports POP3 and IMAP protocols, so you can add email account from Gmail, a personal website or others.
New contacts can be easily added in address book, users can install new plugins to enhance functionality.
Interface supports multiple skins, emails can be marked with different colors and filter them by different criteria.
