Imapsync - If you want to use the graphical tool, just run:
docker run --publish 80:8080 gilleslamiral/imapsync /servimapsync
Or to make it easier, setup dockge and nginx proxy manager and you can put this on your own servers via https.
Here is the docker compose version (remember that the forum strips leading spacing below)
version: "3.3"
services:
imapsync:
ports:
- 6080:8080 #Change this as required, you can also use something like 6443:8443 to use SSL inside,
image: gilleslamiral/imapsync
command: /servimapsync
networks: {}