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How do various mail clients talk to their respective backends? I.e. what does iOS Mail use to talk to iCloud? The GMail iOS app speaks a bespoke binary protoc
by seminatl 7y ago
How do various mail clients talk to their respective backends? I.e. what does iOS Mail use to talk to iCloud? The GMail iOS app speaks a bespoke binary protocol to Google's servers, not IMAP.
- angott 7y agoiCloud mail in iOS uses plain IMAP. The synchronization stack for iCloud is surprisingly based on open standards: IMAP, CalDAV and CardDAV.