Does anyone have experience with mailcheap.co? I also have an eye on it - mailcheap.co, migadu, and mxroute let you use the dovecot superuser (I.e. dsync to bac

Does anyone have experience with mailcheap.co? I also have an eye on it - mailcheap.co, migadu, and mxroute let you use the dovecot superuser (I.e. dsync to backup/replicate etc)