this post was submitted on 15 Jun 2023
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One of the things I don't really want to self host is a mail server, especially for outbound mail. Currently I'm using a Gmail account, but I want to change that.

What do you all use for things like notifications sent through smtp?

I'm leaning towards AWS SES since it's cheap, but I know there are some other options like mailgun and sendgrid.

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[–] IlliteratiDomine@infosec.pub 3 points 1 year ago (2 children)

There's a proton bridge docker container out there that I'm planning to standup this weekend for SMTP use inside my home lab.

[–] johntash@eviltoast.org 1 points 1 year ago (1 children)

I'd be interested in hearing how that goes. I don't currently use protonmail, but need to look at it again sometime.

[–] IlliteratiDomine@infosec.pub 1 points 1 year ago

Well, got it done. I was going to write something up about this process, but it ended up being really straightforward. I'm running it in k3s and the worst part was waiting for the initial sync.

Now, something about the SMTP traffic my router sends (trying to send notifications from a Mikrotik) makes the smtp implementation mad, but all my other clients were fine.

[–] wohfab@digitalcourage.social 1 points 1 year ago* (last edited 1 year ago) (1 children)

@IlliteratiDomine @johntash

I've read about SMTP tokens for certain protonmail accounts yesterday. Seems to be for select business accounts + visionary accounts only (, yet, @protonmail?). Would this make the bridge obsolete (for sending)?

Source: https://proton.me/support/smtp-submission

[–] IlliteratiDomine@infosec.pub 2 points 1 year ago

Yeah, if that rolls out to more account types, you would no longer need the bridge for sending.