Idea:

Stop eating (that much) animal products!!

If you eat the fleshoft a cow that died out of olf age after her natural death…or eat few eggs (chicken period) then that’s all fine.

Nobody is hurt, no one lives in a cage oft their own body size full of excrements increasing the probability of diseases

For people recommending Tuta or Proton.

If only one party uses those services one would have to trust Tuta/Proton to not save a copy of an incoming unencrypted mail. If a government wants access, they have to obey or shut down. Asking the unencrypted email provider from the other party is the obvious other way to access your data.

Only open source E2E for both parties is is trustworthy