Rspamd Filtering for Fetchmail, Dovecot & Sieve with Learning

I have been having some issues with setting up rspamd in combination with Dovecot >2.4. It seemed there was no complete documentation and the configuration options have changed quite a bit in Dovecot 2.4. So I pieced this together myself and provide it as a short tutorial here. Of course, there is lots of possible implementations of this, I use a smarthost setup with Fetchmail. Since no spam filter is perfect out-of-the-box, I also wanted to have learning of spam/ham supported.

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AI-Powered Kindle Weather Display

I have been experimenting with Kindles for quite some time now and built and alarm clock, a homelab status display, and even a whole app framework. For some time now, I also have a Kindle on my desk, showing me the weather of the day in the form of an AI-generated painting. Why is AI required? It isn’t. But since it’s all the rage you are much more likely to read this post. Also, it makes for a bit more variety in the display. The result is something like this:

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Traefik's Let's Encrypt certificates for Synology NAS - Updated

For about 15 years now, I have been using different Synology DiskStations (DS) as the backbone of my data storage. These are excellent systems with some added value. In fact, for quite a few years, my DS718+ was my only server. Nowadays, I split out server tasks and data storage, and have introduced Traefik as reverse proxy and single point of entry. This leaves the challenge of getting certificates from this reverse proxy to my Synology NAS to secure all traffic with HTTPS.

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SnappyMail Single Sign-On - Updated

For many years, I had been using Rainloop as a fallback webmail client. Since Rainloop is no longer maintained, I recently switched to SnappyMail. Having spent lots of time to set up Traefik, Authelia, etc. I of course want to use single sign-on with as many services as possible. When switching to SnappyMail, I picked up this topic one more time and solved it for me.

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DIY Toothbrush Stand

This may be my shortest post in quite a while, but sometimes also small things bring large benefit. I recently got a new electric toothbrush with a nice glass charger. However, there was no stand or holder for the heads, leading to these flying around the bathroom shelves. To improve this, I hacked together a minimal stand from leftover pieces.

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Building a Homelab Shelf

As shown in one of my last posts, I operate a number of devices and services at home. Until now, these had been distributed across my home, wherever there was power and network available. This was not a very pleasant situation. This, I decided to build a shelf for these (and future) devices.

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