As UserVoice staff cleaned up the most of twisted voices, I’ve returning this suggestion to open discussion.
Everyone, please continue voting for this feature if you consider it important.
Please add Mailman3
We are planning to implement this functionality in upcoming Plesk releases, and we would really appreciate if you could take the following survey and help us understand what exactly you are expecting from this feature. Survey link: http://www.surveygizmo.com/s3/3127824/Move-domains-between-subscriptions.