Espresso permissions-based email client completely eliminates spam as you define it from your Inbox. Espresso`s powerful email filter is based on a sophisticated challenge-response system. All messages from approved and trusted senders are immediately accepted. Espresso doesn`t rely on deep header analysis, anti-spoofing techniques, heuristics, or Bayesian filters to eliminate spam. It simply looks for the messages you want to receive using sensible, yet powerful rules. With a selection of options available, you decide how to handle messages from unknown senders. Espresso delivers all the email you want to read and blocks all the email you don`t want. It`s that simple! In addition to managing spam, Espresso`s full-featured email client offers: - lightweight and portable application - powerful junk mail filtering based on permissions - filter messages using regular expressions - ability to add notes to individual messages - hide private messages from prying eyes - automatically blind copy on all outgoing mail - easily flag important messages - supports POP3,IMAP4,HTTP protocols - preconfigured for easy setup of Hotmail and GMail - built-in backup and restore mailbox - powerful spell-checker for outgoing messages - choose to save or delete messages when you send them - automatically mark messages as read when moved to trash