Sounds like this was written by someone who doesn't know anything about setting up an email server. https://www.xda-developers.com/tools-you-should-use-for-hosting-your-own-email-server/
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Adam Lein (adam@social.lein.us)'s status on Thursday, 13-Feb-2025 13:04:28 JST Adam Lein
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iced depresso (icedquinn@blob.cat)'s status on Thursday, 13-Feb-2025 13:04:27 JST iced depresso
@Adam :neocat_magnify: "use a premade system" i mean, yes, that method does work. you will get an email server that works this way.
forgot SPF and DKIM records but honestly i don't think anything we do appeases big tech's email monopoly. everyone just gives up and relays through sendgrid. -
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iced depresso (icedquinn@blob.cat)'s status on Thursday, 13-Feb-2025 14:37:49 JST iced depresso
@Adam technically email doesn't care about any of that shit, big tech does.
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Adam Lein (adam@social.lein.us)'s status on Thursday, 13-Feb-2025 14:37:50 JST Adam Lein
@icedquinn Forgot having a server, too! Recommending DDNS is crazy. Forgot DMARC, DNSSEC, DANE, CAA, TLSA, TLS, disabling insecure TLS versions, registering the IP with Microsoft, Google, & Yahoo for delivery to those servers, warming the IP address, etc.
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