Postaci has been discontinued. Similar apps include Roundcube, which is free and open source. Other options are Mailpile, Cloud Mail, Kolab and Nexmail. You can choose from more than 10 Email Clients like Postaci for self-hosting, the web, Linux, Android and iPhone.
All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail. Cypht does not replace your existing accounts - it combines them into one. And it's also a news reader :).
United States
A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and bookmark manager. CacoCloud is divided into a RESTful PHP backend storing all data into a SQLite database and an SPA frontend based on AngularJs.
Germany
EU
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
Bosnia & Herzegovina
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Australia
TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.).
United States
MrMail offers flexible Zimbra Hosting packages suitable for everyone, from single home user to a large company (SME) at superb prices and the best support in the industry.
NeoMail is a web-based mail client that allows users to access their mail spools and send messages. It does not require a POP3 server, or any shell access for the users. It interfaces directly with user mail spools.
Vietnam
WordSecure is a secure messaging portal, specifically designed for solo health insurance professionals. It lets you quickly and easy share the most confidential PHI messages and files in an encrypted manner to demonstrate best practices for HIPAA.
