this post was submitted on 17 Nov 2023
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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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We welcome posts that include suggestions for good self-hosted alternatives to popular online services, how they are better, or how they give back control of your data. Also include hints and tips for less technical readers.

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E-mail self-hosting and hacking/failed login attempts (alien.top)
submitted 11 months ago by [email protected] to c/[email protected]
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I host my own email and can regularly see people/bots trying to log into my email and accounts with random names. I block those IPs as soon as they try and log in. I then log basic data about them (country, reverse DNS). I created a website that gives some basic statistics about that data and makes the IPs available if others wanted them.

I called it MX Offenders and I'm mostly doing this as a fun project for myself. The site is also self-hosted. It is at https://mxo.michaelspost.com/ It probably won't be used by anyone, but was fun to create and I thought I would see what others think.

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[โ€“] [email protected] 1 points 11 months ago

Is it possible to integrate that list with Stalwart? Like DNSBL or so? Or is that a different format?

/CC /u/StalwartLabs

[โ€“] [email protected] 0 points 11 months ago

I did something similar with Graylog and ssh login attempts. Even had a neat little real-time global map with dots on the location the attempts originated from.

I get surprisingly few login attempts on my mail server though.