Sigma Email Messenger is a highly efficient email application that can send and receive emails like instant messaging (IM). Sigma extracts newest content from every email intelligently and organizes emails in a chat-like conversational user interface. Sigma supports a wide range of email services so that you can bind all your mailboxes with a single application. The highlight features of Sigma Email Messenger include:

1. Chat-like conversational email user interface
2. Supports well-known email services and also custom SMTP/IMAP services.
3. Add emails to your favorites to access quickly.
4. Set scheduled reminders for important emails and get alerts on time.
5. Supports full text search for email content.
6. Centralized management for attachments from all emails.
7. Supports emojis in email content.
8. Address book management.
9. Built-in Chinese and English user interfaces.