I've been using ClearOS for almost a year as mail server, and it has been working really nice most of the time.
At this moment we have 425 users using the built in mail service and it's working fine, but the administration of the system is getting harder every day beacuse of over cuota problems and some kind of dist list permissions. Beside that, users of the service are growing really fast every day so people here has decide to migrate to zimbra.
We are ready to migrate all mail data with impasync but we do not know all users passwords, also we don't know how to reset all passwords at once. So we want to use the admin users and passwds from both servers to simplify the task with imapsync.
From the ClearOs server, what is the system user and password that we should use in this case? cyrus, cyradmin, manager?
This is the whole command we are using:
imapsync --syncinternaldates --server1 mail.clearos --user1 mailuserx --authuser1 ??? --password1 ??? --server2 correo.zimbra.server --user2 email@example.com
We really apreciate your time, sugestions and answers... we hope to solve this out and post here our whole experience to help others in the future!
Thanks in advance from Venezuela!.. sorry for my poor English!