Zimbra

[girish]

Zimbra - open source server and client software for messaging and collaboration

[habilweb]

a great tool.

[jdaviescoates]

@girish said in Zimbra:

Zimbra

This looks really useful.

I note it's email client has one of the main missing features in most other open source webmail clients:

Drag and drop messages into folders or onto Tag(s)
Share tags across applications and mailboxes
Messages may have multiple Tags and act as ‘virtual folders’

https://www.zimbra.com/open-source-email-overview/