[BostonEnginerd]

The 1986 electronic privacy act consider emails older than 180 days old to be “abandoned” and do not require a warrant to access.

Self-hosting at least means that this should not apply, I think.

[artificial]

From what I can see there was a House resolution passed in 2017 which protects email. https://www.eff.org/deeplinks/2018/05/email-privacy-act-come...

[pseudalopex]

It never passed the Senate.[1]

[1] https://en.wikipedia.org/wiki/Email_Privacy_Act