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 My personal email server has worked fine for like 10 years but gmail just did something recently and now all of my emails to gmail users goes to their spam.

I think they require dkim now (signed emails), so much for deniability?

Email decentralization is a joke. 
 I think they’ve technically required DKIM and SPF for a long time, but they have been rolling “improvements” to spam filtering lately, so it’s probably stricter than it used to be. 
 I’ve never had dkim and I’ve never had an issue until recently, so yeah it looks like I was caught in some spam war crossfire 
 No DKIM records will wreak havoc. Every major provider is rolling out scoring. 
 I was just looking through how to set this up for self hosted. Doesn’t look bad, just annoying. 
 your domain was probably old enough to be trusted, but they have probably changed parameters now 
 They require dmarc as of February 
 Yeah dkim, spf and dmarc. 🙃 I host my own mail server as well and recently there's been a shitload of issues. 
 gmail was trending yesterday, 
i didn’t look 
 Hashcash fixes this?

Alas, that ship has long sailed.

nostr:nprofile1qqs0w2xeumnsfq6cuuynpaw2vjcfwacdnzwvmp59flnp3mdfez3czpspz9mhxue69uhkummnw3ezuamfdejj76l8lp0 has a good blog on this. 
 I used to add these to my email but gmail doesn’t look at them 
 Useful tool:

https://easydmarc.com/ 
 Hashcash is still the answer to email spam. Gmail is a second order problem. 
 Surprised no one has posted a “always has been”  meme about this. 
 As far as I can tell, even dkim signing doesn’t work now. 
 https://mxtoolbox.com/blacklists.aspx 
 They are useless when it comes to gmail. They don’t use public black lists 
 If you send fewer than 5,000 emails per day, it seems you should use SPF or DKIM.
(If there are more than 5,000 items, you will need to use to both.)

Other requirements include compliance with RFC5322 / TLS connection / gmail postmaster tools spam rate of 0.3% or less.

It's confusing.😂 
 That’s ironic of them, because I get unsolicited spam email from random gmail users every. single. day. 😂 
 Even with DKIM, SPF and DMARC my emails still went to spam for gmail and microsoft accounts. I got so frustated that I gave up on email self hosting. 
 same here 
 Agreed about email decentralization, it certainly has failed. However 50 years of global adoption is pretty impressive, I'm surprized it survived as long as it did. Seems to be the natural cycle of things  
 Looks like they require dmarc now 
 Back to “internet open relay problem” soon #nostr is going to face the same open relay problem. You cannot relay for free forever without a good grant orrrrr a micropayment. Cashu gift card is a good way to save [REQ, …nostrStuff, cashuGiftCard] 
 Could nostr protocol replace email protocol? 
 probably wouldn’t replace it, but you can build email like protocols on nostr yes 
 Yeah. That’s what I meant. Email will go away when the internet does. Interesting thought to make a parallel system for formal messaging. 
 Yup, very hard to live without DKIM now. Running your own email server is very hard these days. 
 RIP SMTP
https://blog.lopp.net/death-of-decentralized-email/ 
 Great visualization in that article on BTC transaction propagation...very cool! 
 Google and Apple still accept your messages if you have DKIM, DMARC, SPF and other things configured.

Good luck with Microsoft. 
 Yeah microsoft blocks me the most 
 Service i run has been hit with the same issues recently although we’ve already got full SPF, DKIM & DMARC setup going… no way of getting unblocked, no public data available. Such a scam 
 Email is very much not deniable in practice. Almost all email is sent via third parties who create records that any court will accept as true. DKIM doesn't significantly change that.

Remember that I sued Lovecruft for defamation, and she didn't even try to deny sending incriminating messages on _Pond_, a extremely secure crypto-nerd anonymous messaging platformed designed for deniability.

Courts almost always accept electronic records as true by default. 
 Was thinking about that, not surprising 
 Speaking of, said Pond messages: https://archive.org/download/todd-vs-lovecruft/pond-msgs/

Lovecruft admitted they were all real during the lawsuit. Note the dates: they're all written _after_ Lovecruft claimed I assaulted them... 
 very interesting! 
 This is going to be my default email address to use from now on.

https://m.primal.net/IwyG.png  
 f--- gmail
Try to get your friends off gmail and into something safer
Easier said than done but it seems gmail will only get worse over time 
 These big-tech will not cease to attempt to make email centralized, or keep decentralized but only among themselves. 
Excuse after excuse, they are creating barriers against small players and data sovereign oriented users using their own user base as spearhead. 
 already since a while to Gmail only dkim 😳