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Ohhhhhh there's a way! Pure End-To-End SMTP sending and receiving! It involves some pretty interesting tomfoolery using IPSEC tunnels on a pure OpenBSD setup, b
by jamal-kumar 5y ago
Ohhhhhh there's a way! Pure End-To-End SMTP sending and receiving! It involves some pretty interesting tomfoolery using IPSEC tunnels on a pure OpenBSD setup, but even works when you don't have a fixed IP.
https://www.exoticsilicon.com/jay/smtp_via_ipsec_tunnels https://www.exoticsilicon.com/jay/smtp_via_ipsec_tunnels
- guiambros 5y ago"In this guide, Jay shows us how to setup an IPSEC tunnel between a local machine running OpenBSD, and a remote VM hosted at OpenBSD Amsterdam..." A tunnel to a vm hosted on a cloud provider is far from "running SMTP servers on a residential IP address" that OP was referring to.
- jamal-kumar 5y agoIf you're not as impressed by end to end SMTP as I am then I feel you're missing out! Oviously you need domains with RDNS and everything to point to a public IP address for relay, but if it's a really cheap VPS that's pretty cool. Sure is a LOT lighter than running a full mail server with three or four protocols to get things right and keeping that up to date and exposed to the public.