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GDPR compliant / European SMTP relay for self hosted services?

I am planning to host a test instance of discourse for an NGO I volunteer for on my VPS. It is supposed to accompany an event with around 100-150 participants so I expect some traffic over the weekend of the event. The only unanswered question I currently have is the mail setup. I considered self-hosting the SMTP relay myself but found a lot of recommendations to rather outsource it to an external service. I have thus been wondering if there are recommendations for an SMTP relay service? GDPR compliance on a European server is a must. Ideally, it would be inexpensive, easy to cancel, or even free as I am planning to take the instance down after the event and learn from the experiences and comments of the users.

Any ideas or recommendations? Thanks in advance!

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Software Monetization
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    https://blog.beeper.com/2024/06/04/2024-beeper-roadmap/?ref=textscom

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  • The FAQ says that “all integrations were implemented in-house using the Texts Platform SDK”. Whether that sdk is a derivative of the Matrix protocol? No idea. Texts.com does not offer connections to matrix, which kind of suggests it’s not 🤷🏼‍♂️ We will have to see whether the announced unified app will be running a solution based on Matrix or not.

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  • Not exactly what was asked but a thought as I’ve been considering the same. After merging with Texts.com, Beeper seems to be redesigning the bridge architecture. I read that the implementation will move towards running the bridges on the client device so that the decryption is happening in the RAM of the end user’s machine rather than the server. In that case, the mentioned security problem will be at least partially resolved. Self-hosting the bridges is already possible now. One will still have to trust Beeper, though. As I am using their software already, it looks like there’s no reason, yet, to mistrust them.

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  • What SDLC Paradigm Did You Use in Your Project?
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    Sometimes theres an idea on how to solve a problem more efficiently or with better performance. And then it’s all about coming up with any proof of concept.

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  • gsv gsv @programming.dev
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