Kerio Connect Alternatives [Page 4]

Eudora Internet Mail Server is a highly advanced internet mail system that supports the all kind of email systems and clients either it is IMAP, POP3, SMTP and much more.

Postfix Admin is a web based interface used to manage mailboxes, virtual domains and aliases.

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

Email Marketing for Business Checkout a smart email marketing software that helps you grow your business & reach out to new customers.

Synovel Collabsuite is the name of a next generation and open source web server for the Linux operating systems that now features the chat and support for the calendars as well.

HighQ Collaborate is a cloud collaboration platform for team collaboration and personal productivity. 

Web-based IMAP email client

Open Source

Samepage facilitates communication, project management, meetings, online collaboration, and more by combining team chat, video calling, screen sharing, task management, and real-time team document collaboration in a single collaborative workspace.

freemium $7.5 / Monthly

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

Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online

Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

freemium $1.0 / Monthly (per user)

A messaging app for teams who see through the Earth!

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

Seamless project management and collaboration for your team.

Visit website Open Source $12.0 / Monthly (Per user)