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by mjl- 472 days ago
> incoming emails didn't work from Microsoft but they fixed that in 0.13

Yeah, this one was interesting. It looks like microsoft updated their TLS stack to TLS 1.3, but incorrectly, breaking TLS connections to Go TLS servers. I don't know how to contact Microsoft about it, but others have raised issues with Microsoft. Mox got a workaround (disabling session tickets for SMTP) so Microsofts TLS stack wouldn't abort the connection anymore. This is a downside of being a small guy: You have to work around the bugs of the big guys.