By Bobby Borisov
Publication Date: 2026-10-18 17:53:00
DavMail 7.1 has been released as the latest version of the cross-platform open-source Exchange and Microsoft 365 gateway, improving Microsoft Graph integration, IMAP compatibility, calendar handling, and connection reliability for Exchange and Microsoft 365 users.
One main change in DavMail 7.1 is improved Microsoft Graph API integration. The release replaces the previous A–Z lookup method for the Exchange Global Address List with native people search, making contact searches more efficient while reducing unnecessary API requests.
The update also improves authentication token validation, adds better handling of temporary Graph API errors with automatic retries, and includes a workaround to access Exchange Online Archive mailboxes through Graph.
Calendar functionality has several fixes. DavMail now handles recurring events and time zones more reliably, improves meeting room booking support, and correctly identifies canceled appointments. Additional changes address…