I'm looking to re-start my old newsletter, along with a new website. Every webpage will also be a newsletter email. Looking for a simple to use setup, where I will own the data and audience and will not be reliant on a platform to exist X years from now and continue serving me in a reasonable price
It seems to lean more into transactional email than being a 1:1 Substack clone, but I have heard good things about Dittofeed [1]. It's pretty self-hosting friendly, all things considered. [2]
We went with Substack basically because it's really easy to newsletters live on as webpages, but if you're going through the trouble to self host and build a website anyway, Dittofeed might be a good fit.
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[1] https://www.dittofeed.com/
[2] https://docs.dittofeed.com/deployment/self-hosted