

I don’t even bother with local ports anymore. It’s just too much hassle when I switch providers, email services all seem to universally sinkhole anything originating from a residential IP even if I am able to convince them to unblock 25/TCP, and I refuse to pay extra for a static IP or upsell to business class at a massive price increase.
My ISP, while otherwise fine, still has not rolled out IPv6 yet and the DHCPv4 lease duration is short and will randomly assign a different IP rather than renewing the lease on the existing one. I don’t like relying on dynamic DNS or relying on running a daemon to update my public DNS records when my public IP changes. Been there, done that, and bought a crappy t-shirt at the gift shop.
I’ve had a VPS for close to 10 years now that is my main frontend and, through some VPN and routing trickery, allows me to have my email server on-prem but use the VPS for all inbound and outbound communication. A side effect benefit of this setup is I can run my email server from literally anywhere and from anything with an internet connection. I’ve got a copy of my email stack on a Pi Zero clone that stays in sync with my main one. During long power outages, I can start that up and run it from a hotspot with a power bank running it for almost 2 days (or indefinitely when I’m also charging the power bank from a solar panel lol).





















Trash? None.
Clutter / work-in-progress: No comment.