Unibox is a people-centric email client that organizes your messages by person. It avoids having email like a to-do list.

Features

• Unibox supports IMAP servers:
• Gmail
• iCloud, me.com, mac.com
• Yahoo!
• Exchange if IMAP is enabled
• Hotmail, outlook.com, live.com
• Self-hosted IMAP servers
• Many more
• Single window: Instantly compose your messages without opening new windows.
• Conversations: Easily drill down into a conversation view with multiple participants.
• Unified Accounts: View messages and conversations across all your accounts.
• Switch Accounts: Focus on single accounts or folders when necessary.
• Attachment List: Quickly find documents and files you exchanged with other people.
• Attachment Grid: Visually browse your attachments and images.
• Quicklook: Preview attachments without launching external apps.
• Aliases: Use multiple identities with a single account, including separate SMTP servers.