I migrated a mail account from an Trade server to Zimbra, working with mbsync. This allows ongoing synchronization, and mapping folders to subfolders. # The IMAP server you want to repeat mails from. for economical facts migration and company coexistence. A sensible ally to grasp each transition to the cloud https://trevortfqbl.thecomputerwiki.com/4833646/getting_my_zimbra_migration_to_work