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Conjoon

On the record

Accounts
It can manage multiple email accounts in one browser instance.conjoon.org · read 12 Oct 2026
Account setup
With the local-mail-account package, users can maintain multiple IMAP accounts and account details are stored in browser Local Storage and sent with requests.conjoon.org · read 12 Oct 2026
API
Conjoon documents its REST API using OpenAPI.conjoon.org · read 12 Oct 2026
App coverage
webconjoon.org · read 23 Sep 2026
Backend
The maker describes an installable Lumen/Laravel backend and says the webmail package was developed to work with lumen-app-email.conjoon.org · read 12 Oct 2026
Backend requirement
The webmail package requires a service that complies with the conjoon rest-api-email API.conjoon.org · read 12 Oct 2026
Build dependency
Building from source requires Sencha Ext JS version 7.4 or above, and the guide says access to Sencha's private NPM repository requires a commercial SDK license or a 30-day framework trial registration.conjoon.org · read 12 Oct 2026
Build requirement
Building from source requires Sencha Ext JS version 7.4 or above, and access to Sencha's private NPM repository requires a commercial SDK license or a 30-day framework trial.conjoon.org · read 12 Oct 2026
Deployment
The frontend can be served as static files from a webserver, and official builds are distributed as downloadable ZIP files.conjoon.org · read 12 Oct 2026
Email providers
The site lists Google Mail, Microsoft Outlook, AOL, Yahoo, Freenet, GMX, and web.de as preconfigured email services.conjoon.org · read 12 Oct 2026
Email services
The site says it comes preconfigured for Google Mail, Microsoft Outlook, AOL, Yahoo, Freenet, GMX, and web.de.conjoon.org · read 12 Oct 2026
Extensibility
The client is configurable and extendable, with application and component plugins.conjoon.org · read 12 Oct 2026
Hosting
The web client requires a webserver capable of serving static files.conjoon.org · read 12 Oct 2026
mailto links
A bundled plugin can register the client as a handler for mailto links.conjoon.org · read 12 Oct 2026
Multiple accounts
The interface can manage multiple email accounts in one browser instance.conjoon.org · read 12 Oct 2026
New message alerts
The client can poll mailboxes for new messages and provide sound and desktop notifications; desktop alerts require browser notification permission.conjoon.org · read 12 Oct 2026
Product
Conjoon is an open-source JavaScript email client.conjoon.org · read 12 Oct 2026
Protocols
Its backend provides IMAP and SMTP implementations for email operations.conjoon.org · read 12 Oct 2026

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