Postbox Alternatives [Page 4]

The Bat! is a secure desktop email client for Windows, designed to protect your correspondence against third-parties and to save your time.

Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool.  Zimbra mail, Yahoo! mail, Gmail, Outlook and any other work or personal email account using POP or IMAP is easy to set up in Zimbra Desktop.

Warm up your cold email inbox, and never land in spam anymore!

Try for free freemium $9.0 / Monthly

Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.

freemium

SmarterMail is a next generation email management server that is offering several business collaboration and communication features as well.

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

Open Source

The Bat! is an email program for Windows that protects the correspondence and empowers the users to handle large amounts of emails quickly and efficiently

SaneBox is a cloud-based service that allows users to filter and manage their emails.

A desktop email client for your Mac, without a browser !

Mailplane is the best way to use Gmail on your Mac. Use an unlimited number of accounts, get new mail notifications, use plug-ins and much much more.

Kill The Tabs - Faster, Better Gmail for Mac, with native Calendar, Keep, and Contacts apps

Amazon WorkMail is a secure, managed business email and calendar service.

Hiri is the best email client for Managers on Windows, Mac and Linux.

Check your email from anywhere in the world. mail2web. com offers email hosting services for all your email needs. Check your email for free.