https://jrzbk.com/thoughts/ Occasional writing about self-hosting, boring technology and the NES. By Patrick Jarzabek. en © 2026 Patrick Jarzabek Sun, 12 Jul 2026 09:00:00 +0200 https://jrzbk.com/thoughts/own-mail-server/ https://jrzbk.com/thoughts/own-mail-server/ Sun, 12 Jul 2026 09:00:00 +0200 SMTP is four verbs and an afternoon. Receiving mail is easy; sending mail that arrives is the whole job — reverse DNS, SPF, DKIM, DMARC, TLS, and a reputation you can only earn by waiting.