DocFraggle Das hatte ich auch gemacht
root@mail:/opt/mailcow-dockerized# docker ps | grep :587
380fa8c6af3f ghcr.io/mailcow/dovecot:2.35 “/docker-entrypoint.…” 3 hours ago Up 3 hours 0.0.0.0:110->110/tcp, [::]:110->110/tcp, 0.0.0.0:143->143/tcp, [::]:143->143/tcp, 0.0.0.0:587->587/tcp, [::]:587->587/tcp, 0.0.0.0:993->993/tcp, [::]:993->993/tcp, 0.0.0.0:995->995/tcp, [::]:995->995/tcp, 0.0.0.0:4190->4190/tcp, [::]:4190->4190/tcp, 127.0.0.1:19991->12345/tcp mailcowdockerized-dovecot-mailcow-1
root@mail:/opt/mailcow-dockerized# docker kill 380fa8c6af3f
380fa8c6af3f
root@mail:/opt/mailcow-dockerized#