https://www.plesk.com/kb/support/plesk-migrator-shows-warning-cannot-manage-webmail-settings-domain-has-subdomain-webmail/
Plesk Migrator shows warning: Cannot manage webmail settings: domain has subdomain 'webmail' -...
Symptoms Plesk Migrator shows the following warning after subscription migration: Plesk restore report problem:Execution of...
webmail settingspleskmigratorshowswarning