Imapsync has been the one for me: https://imapsync.lamiral.info/ https://imapsync.lamiral.info/ There is a docker container thats super easy to use. It's worke

Imapsync has been the one for me: https://imapsync.lamiral.info/ https://imapsync.lamiral.info/ There is a docker container thats super easy to use. It's worked flawlessly for me the two times I've needed it. Each time I use it I donate because it's clearly a great bit of code.