# roundcube

roundcube is a free, open-source webmail solution and multilingual IMAP client. It is open source and self-hosted, installable on TrueNAS and Kubernetes (Helm).

Canonical page: https://ourlocalhost.com/app/7184/roundcube

## Description

Roundcube is a free, open-source webmail solution and multilingual IMAP client. It is browser-based, offering a desktop-like user interface with features like MIME support, an address book, folder manipulation, message searching, and spell checking.

## Platform availability

Available on 2 of 9 platforms: TrueNAS, Helm.

## Links

- TrueNAS: https://apps.truenas.com/catalog/roundcube/
- Kubernetes (Helm): https://artifacthub.io/packages/helm/volker-raschek/roundcube
- Official website: https://roundcube.net/

## Common questions

### How recent are Roundcube security releases?

The latest news section lists security updates for 1.6 and 1.7 in May, July, August, September, and October 2026.

### Does Roundcube support PGP encryption?

Yes, PGP encryption is listed as a built-in feature.

### Can Roundcube use LDAP for address book lookup?

It includes a full featured address book with groups and LDAP connectors, plus find-as-you-type integration.

### Does Roundcube support shared mailboxes and ACLs?

It supports shared/global IMAP folders and access control lists.

### Is there a responsive mobile web experience?

Roundcube includes a responsive skin for multi-device support.

## Alternatives

- Bulwark: Bulwark is a self-hosted webmail client for Stalwart Mail Server, built with Next.js and the JMAP (JSON Meta Application Protocol) email AP…
- Cypht: All your E-mail, from all your accounts, in one place.
- Horde: Enterprise-level free suite offers IMAP email, calendar, contacts, tasks, notes, file manager, wiki, syncing, multi-language support, and m…
- Mail-in-a-box: Easy-to-deploy mail server.
- OX App Suite: The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud st…
- Rainloop: Simple, modern & fast web-based email client.
- SOGo: SOGo is groupware server with a focus on scalability and open standards.
- SnappyMail: Simple, modern, lightweight & fast web-based email client.
- Zimbra Collaboration Suite: Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.
- ihasmail: Immutable webmail for Stalwart Mail Server.
- mailpile: Mailpile is a self-hosted, web-based e-mail client that you use through a browser.

---
Source: Our Local Host (https://ourlocalhost.com/app/7184/roundcube), the self-hosted and open-source app directory.