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This chapter describes migration of mail content from mail servers to Plesk using PMM. You can migrate all e-mail account settings and messages (mail content). Because migration of control panel parameters and configuration settings described elsewhere in this guide includes migration of e-mail account settings but does not include e-mail content, e-mail content must be migrated separately. E-mail content migration using PMM is performed similarly to hosting platform migration.
Migrating e-mail content from mail servers to mail servers managed by Plesk allows uninterrupted access to e-mail messages by users who prefer to keep their e-mail content on mail servers rather than on their desktop or portable computers.
PMM supports migration from a number of well know mail server applications. For the list of supported mail servers, consult the "Mail Servers Supported by PMM for migration" section. For supported mail servers, all you have to do to start mail content migration is to specify the source host and install migration agent on it. In this case, PMM will determine the list of domains available for mail content migration automatically. For mail servers not supported for migration, you must provide a file with a list of e-mail accounts (including passwords) to be migrated or migrate mail content for e-mail accounts that already exist in Plesk. For detailed information about specifying e-mail accounts for migration manually, consult the "Using Backupcommand.xml File to Specify E-Mail Accounts for Migration" section. During automatic migration, PMM migrates both e-mail account settings and e-mail content for the account. PMM can also migrate content to e-mail user accounts that have already been migrated or created in Plesk. In this case, PMM will add e-mail content to the existing e-mail accounts.
Note: When migrating content to existing e-mail accounts on some mail servers, for example SmarterMail, e-mail content may be duplicated. E-mail content duplication is also possible when the SMTP protocol is used for content migration.
There are several typical e-mail content migration tasks that users can accomplish using PMM. For detailed instructions on how to accomplish e-mail migration tasks, consult the "E-Mail Migration Tasks Supported by PMM" section.
After e-mail account and content migration to Plesk, users can freely modify the e-mail accounts settings within the limits and permissions set for the accounts in Plesk.
Another important application of the PMM's mail migration feature is the capability to backup e-mail content from the local mail server. It is especially useful, when you want to switch to a different mail server application. For detailed information, consult the "Switching to Different Mail Server Application in Plesk" section.
This chapter provides a complete set of instructions on how to migrate e-mail accounts and e-mail content from mail servers to Plesk for Windows. In addition, it provides complete reference for the origin of migrated e-mail account settings and content from various mail servers. The information found in the chapter provides answers to the following questions: