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Thinking of setting up a mail server, do I need a 2nd VPS? [affordable suggestions welcome!] (alien.top)
submitted 11 months ago by AudioBabble@alien.top to c/main@selfhosted.forum
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Hey all, I have a VPS with Hostinger that serves a few websites, very basic stuff, simple blogs or static pages, very low traffic.

At the moment I have 'custom domain' emails set up with Protonmail and also Tutanota. They are mainly for client communication one-to-one, I very rarely if ever do mass mail-outs.

I'm looking into the possibility of setting up a mail server instead, but it seems it's generally not a good idea to run mail server and web server on the same VPS. [-- if anybody thinks there may be exceptions to this, do let me know, because I would still be interested if it's not an entirely bad idea?]

So I'm wondering about a dedicated VPS to run my mail server, but really don't want to pay much.

In order for it to be cost effective (as opposed to just paying for a mail service with multiple custom domains), i'd want a VPS with 3GB ram and 20-30GB storage that doesn't block port 25, for less than $6 per month.

Is this likely? Anyone know of any contenders?

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[–] blind_guardian23@alien.top 1 points 11 months ago (1 children)

If you have the knowledge its fine, if not it wont be fun. mailcow ist the best overall package i have seen.

[–] AudioBabble@alien.top 1 points 11 months ago (1 children)

Thanks -- mailcow looks good.

What I'm struggling to find good info on is how to get a web server (based on apache2) and mailcow (based on ngix/docker) running happily alongside.

I'm no expert but I do understand the web server side of things.

I had a go with iRedMail via this tutorial: https://www.linuxbabe.com/mail-server/email-server-debian-11-iredmail

^^ but that hijacked my whole server so it became just a mail server and stopped serving web. It's a shame because the tutorial was pretty comprehensive and just the sort of thing I need!

[–] blind_guardian23@alien.top 1 points 11 months ago

Official doc is here: https://docs.mailcow.email/post_installation/reverse-proxy/r_p-nginx/ (ngnix is a more common choice for reverse Proxy). would recommend using only one service per vps (unless you're really on budget), activate Backup/snapshots.