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.
Synchronize Exchange Online users with Full Access to Shared Mailboxes to HelloID Resource Owner Groupmemberships
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.
Open-source organisational email on Cloudflare with personal and shared mailboxes
Bulk-remove Full Access, Send As, and Send on Behalf permissions from shared mailboxes in Exchange Online using a CSV-driven PowerShell script.
Synchronizes Exchange Online Shared Mailbox Full Access Permissions to HelloID Self service productassignments
Logic App repo for useful examples
Shared mailbox access propagation checker with client/server next actions.
Missivus for WordPress — send WordPress 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
Missivus for Ghost — send Ghost transactional email through Microsoft Graph with application permissions and a shared mailbox. No SMTP, no user login. Free, GPLv3.
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."