this post was submitted on 18 Aug 2024
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Email server thru cloudflare (lemmy.world)
submitted 2 months ago by werefreeatlast@lemmy.world to c/selfhosted@lemmy.world
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It's a bad title, but I'm trying to figure out how to describe what I want.

First, I got my photoprism working thru cloudflare. Now, on the same domain I would like an email address.

So mysite.com gets routed to 56.654.234.12 let's say by cloudflare such that a global user never sees my ip. But mail.mysite.com that's different, they don't proxy email so if you do a reverse lookup you can find the origin IP.

I heard about tunnels so I stupidly signed up for that, only to learn that a tunnel just lets you into an internal network. So an SMTP server can't get emails from outside that way.

Ideally, somehow I could setup one user at Gmail or proton mail, then somehow setup the same or different user...user1@mysite.com and I could then use mailu, mailcow, mail docker to house my user1@mysite.com which routes mail thru Gmail or protonmail. I know all this makes little sense because I don't know the proper way, so that's my question for you smart people who have done this twice over. Could someone point me to the best way of setting up a local mail server that routes thru cloudflare but is not easily reverse looked up? Is that even a problem at all?

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[–] jake_jake_jake_@lemmy.world 1 points 2 months ago* (last edited 2 months ago) (1 children)

maybe a vpn provider that uses openvpn? advanced setup but you can have an openvpn client auto connect on boot and bind the mail and ddclient to the tunnel interface.

cloudflare has good support for ddclient, so when your IP changes updates are automatic.

[–] just_another_person@lemmy.world -2 points 2 months ago (1 children)

Not how that works.

[–] jake_jake_jake_@lemmy.world 0 points 2 months ago (1 children)
[–] just_another_person@lemmy.world -1 points 2 months ago

Jake, the OP is asking for something that actually works. You're just throwing out some random bits that says you get two ports to talk to each other, but like I said...that's not how this works. You can read my other post in the thread if you want, or go read about actually hosting SMTP service out in the world, and the nightmare it is.