Add email alias and shared mailbox UI support

Shipped

March 26, 2026 at 5:41 AM UTC

Author

kamo

Commit

2725c17

Composer "From:" dropdown for switching between primary, alias, and shared mailbox addresses. New "Mailboxes" 6th tab in email settings for org-wide admin management of aliases and shared mailboxes. Inline alias/shared mailbox management on member settings page. Mailbox switcher in folder sidebar for shared mailbox context switching. MessageBrowser routes to shared mailbox API endpoints when viewing shared mailbox.