Email Upload 1
mail Upload, is simple yet powerful tool that works on all MacOS versions to allow users to upload their mailboxes from local mac mail folder to Google or iCloud etc. accounts, it will upload/migrate your local mailbox folder and all its sub/sub/sub forever folders, we tested it for over 100,000 emails and worked fine.
The deep of sub folders is limitless and number of emails is limitless too, so we hope you like it and found it useful, life saver