Features
BlueMail Plus and BlueMail for business
What the paid tier adds, what stays free, and the honest test for whether a team actually needs the managed version.
Section
Features
Calendar sync, Clusters, and the tools built into the app.
Calendar integration beyond Exchange
Most invitations now cross an organizational boundary. What happens when a Google Workspace meeting lands in a Microsoft 365 mailbox read on an iPhone.
BlueMail Calendar for Exchange and Microsoft 365
Invitations answered in place, free and busy that reflects reality, and recurring meetings that survive a change of time zone.
How BlueMail keeps your calendar in sync
What actually happens between your device and your provider when an invite arrives, which protocols do the work, and why sync sometimes looks broken when it is not.