Emails Alternatives & Competitors

An open source mailserver suite.

Key mailcow features:

Comprehensive Feature Set Open Source Docker-based Deployment Active Community and Support

Open Source

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.

Key Mail-in-a-box features:

Ease of Setup Full Control Cost-effective Open Source

Open Source

Email that sounds like you, and gets measurably more like you every week. Drafts in Gmail, Outlook, and the browser. Free to start.

Key ForthWrite features:

Voice Matching Auto-draft replies Batch-drafting Works in browser

Try for free freemium $12.0 / Monthly (Standard plan)

Mailu is a simple yet full-featured mail server as a set of Docker images.

Key Mailu features:

Open Source Lightweight Modularity Docker-based Deployment

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

Key Modoboa features:

Open Source Integration User-Friendly Interface Mail Security

Self hosted modern mail server.

Key WildDuck features:

Open Source Modern Protocol Support Scalability Multi-domain Support

Open Source

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

Key OX Open-Xchange features:

Open Source Integrated Suite Scalability Flexibility

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

Key Postfix Admin features:

User-Friendly Interface Virtual Domain Management Feature Rich Open Source

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.

Key Eudora Internet Mail Server features:

User-Friendly Interface Robust Security Features Flexible Configuration Options Reliable Performance

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

Key SmarterMail features:

Cost-Effective Feature-Rich Cross-Platform Support Scalability

MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.

Key MailEnable features:

Comprehensive Feature Set Scalability Integration and Compatibility Cost-Effectiveness

Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.

Key Axigen features:

Integration Capabilities Security Features Cross-Platform Support User-Friendly Interface

KerioConnect is a commercial mail and groupware server.

Key Kerio Connect features:

Cross-Platform Support Ease of Setup Integrated Security Features Mobile Device Support

hMailServer is a free e-mail server for Microsoft Windows.

Key hMail Server features:

Free and Open Source Cross-Platform Compatibility Wide Protocol Support Built-in Anti-Spam and Anti-Virus