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by paulcarroty 2492 days ago
It's free, but not open source.
1 comments
DaveWalk 2492 days ago
I thought this was the source? https://github.com/Foundry376/Mailspring

Or are you referring to the cloud aspects of Mailspring, like read receipts etc?

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callahad 2492 days ago
The UI is open source, but the mailsync engine it uses is distributed as a proprietary, closed-source binary.
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