Postaci Alternatives [Page 2]

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Soverin is the honest email service that doesn’t sell your data.

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

Try for free freemium $9.0 / Monthly

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

Open Source

Self-hosted server for the ProtonMail client.

Turing. Modern email has arrived. Turing Email supports email providers including Google Apps, Outlook, Yahoo Mail, iCloud Mail, and AOL Mail. Join our exclusive network.

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

SOGo is groupware server with a focus on scalability and open standards.

Open Source

NaSMail is a standards-based webmail package written in PHP.

Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.

BulkMTA is Commercial Mail Server Similar to PowerMTA.

Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.