Roundcube plugin to populate and maintain user identities automatically on each login, based on corresponding data from the plugin's config file. Especially useful for shared mailboxes (like info@example.com) with shared IMAP namespaces.
Open-source organisational email on Cloudflare with personal and shared mailboxes
MailDesk for WordPress is a secure, open-source, self-hosted webmail and email client plugin for WordPress Admin. Features multi-account IMAP sync, SMTP sending, Gmail/Outlook-style inbox, drafts, contacts, signatures, templates, rules, shared access, encrypted credentials, REST API, diagnostics, and extensible PHP mail transports.
Synchronize Exchange Online users with Full Access to Shared Mailboxes to HelloID Resource Owner Groupmemberships
Logic App repo for useful examples
Synchronizes Exchange Online Shared Mailbox Full Access Permissions to HelloID Self service productassignments
Missivus for WordPress — send WordPress email through Microsoft Graph with application permissions and a shared mailbox. No SMTP, no user login. Free, GPLv3.
Bulk-remove Full Access, Send As, and Send on Behalf permissions from shared mailboxes in Exchange Online using a CSV-driven PowerShell script.
Shared mailbox access propagation checker with client/server next actions.
Hybrid Exchange disaster recovery, scenario 2: when AD, Exchange and Entra Connect are lost, gives users and shared mailboxes an Exchange Online mailbox on their existing identity (the Teams storage becomes the mailbox) and rolls everything back without losing a mail. PowerShell 5.1 and 7.
Missivus for Ghost — send Ghost transactional email through Microsoft Graph with application permissions and a shared mailbox. No SMTP, no user login. Free, GPLv3.
Synchronizes Exchange Online Shared Mailboxes to HelloID Self service products
Exchange On-Premise - Target - Permissions
Hybrid Exchange disaster recovery: convert on-premises mailboxes (users and shared, with FullAccess/SendAs/SendOnBehalf) to Exchange Online when the Exchange servers are lost, and roll everything back. Backup before every write, HTML reports. Windows PowerShell 5.1.
Identifies which shared mailboxes a user can access in Exchange Online.
Exchange Online - Target - Permissions
To associate your repository with the shared-mailbox topic, visit your repo's landing page and select "manage topics."