Self-Hosted Webmail Clients: 13 Open-Source Apps

Best for your setup

The default order favors popular apps. These picks favor your specific setup.

Homelab Novice
Wants it running tonight, with one command.
Mailu7.6k
Mailu is a full-featured mail server provided as a set of Docker images.
- Ships a Compose file
- Live demo
- Documented
74/100 fitHow well this app matches homelab novices, 0 to 100
See all
Homelab Expert
Runs a stack already and wants it to plug in.
Mail-in-a-Box15.4k
A one-click, easy-to-deploy mail server appliance for self-hosting email on Ubuntu.
- REST or GraphQL API
- Built-in backups
- Multi-user
81/100 fitHow well this app matches homelab experts, 0 to 100
See all
Homelab Hacker
Wants control: APIs, scripts and many ways to run it.
Mox5.9k
Mox is an open source self-hosted email server with SMTP, IMAP, webmail, and a web admin interface.
- Scriptable API
- Many ways to install
- No cloud account needed
77/100 fitHow well this app matches homelab hackers, 0 to 100
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Sort

13 projects

Mailu

7.6k

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

Email SolutionsPermissive LicenseMail Transfer Agents+3

10 ContainersFully FOSS

Roundcube

7.2k

Roundcube Webmail is a browser-based multilingual IMAP client with an application-like user interface.

Webmail ClientsCopyleft LicenseSelf Hosting Solutions+1

8 Containers

Mail-in-a-Box

15.4k

A one-click, easy-to-deploy mail server appliance for self-hosting email on Ubuntu.

Email SolutionsWebmail ClientsMail Transfer Agents+5

Mox

5.9k

Mox is an open source self-hosted email server with SMTP, IMAP, webmail, and a web admin interface.

Email SolutionsMail Transfer AgentsMail Delivery Agents+3

Cypht

1.8k

Cypht is a webmail and news reader that combines email from multiple accounts into one interface.

Webmail ClientsRSS Feed ReadersSelf Hosting Solutions+1

Modoboa

3.5k

Modoboa is a mail hosting and management platform with a web user interface, administration panel, and webmail.

Email SolutionsPermissive LicenseSelf Hosting Solutions+4

SOGo

2.2k

SOGo is a free and open source groupware solution.

Groupware SuitesCalendar and ContactsEmail Solutions+3

egroupware

299

EGroupware is a web-based groupware platform for collaboration and business productivity.

Groupware SuitesCopyleft LicenseCalendar and Contacts+4

SnappyMail

1.7k

SnappyMail is a lightweight, modern web-based email client forked from RainLoop.

Webmail ClientsCopyleft LicenseSelf Hosting Solutions+2

SquirrelMail

Another browser-based IMAP client.

Webmail ClientsCopyleft LicenseEmail Solutions+1

NexMail

A modern webmail for self-hosted mail servers

Webmail ClientsSelf Hosting Solutions

Poste.io

Full-featured solution for your Email server. Native implementation of last anti-SPAM methods, webmail and easy administration included. Free tier available.

Self Hosting SolutionsEmail SolutionsWebmail Clients+1

PrivMX WebMail

Web-based, end-to-end encrypted email platform that uses an independent PKI.

Custom CommunicationsEmail SolutionsWebmail Clients+2

Fully FOSS