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A comment on Self-Hosting Email Like It's 1984. Parent comment

Re:Self-Hosting Email Like It's 1984 by 1oooqooq on Saturday October 04, 2025 @07:00PM (#45477506)
outlook.com keeps sending me dmarc reports with failed dkim... while every single other provider gives pass to all domains. at this point I don't even care anymore.

why Microsoft is so crappy?

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Re:Self-Hosting Email Like It's 1984 by SoftTalker on Saturday October 04, 2025 @09:31PM (#45478180)
They want you to use outlook.
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Re:Self-Hosting Email Like It's 1984 by man8alexd on Sunday October 05, 2025 @01:40AM (#45479074)
They have a crappy internal DNS caching server in the email infra that times out early and returns NXDOMAIN for timeouted requests, causing permfail for DKIM instead of tempfail as RFC suggests in case of DNS timeouts. This crap has been going on for years.
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