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ariamailclient

We use KMP
We use KMP
On the other hand, we focus _only_ on JMAP. https://www.ariamailclient.com

I wouldn't say it's something that can be vibecoded in a month or two. Proper design and implementation take time if you want to handle accounts with hundreds of thousands of messages seamlessly.

Does building in KMP count ? Check out https://www.ariamailclient.com
Re:Self-host your mail server on Saturday July 25, 2026 @03:15AM (#49045254)
If you are worried about outbound reputation, simply use some outbound relay like MailChannels.

Also check out https://jmap.io - great stuff coming to the world of open source e-mail!

Truth be told, IMAP & SMTP are wildly obsolete in today's needs. Have a look at this: https://jmap.io/