You can send emails with transport related to the contact owner. To do this, you need to create Trnasports and then attach them to the owner (user). Enable this option in the email settings, and voila!
Yes, you can use any Mauticsupported transport.
We have special offers available for our legacy customers, as well as for those who choose to upgrade to Mautic 5 or want to purchase more like one plugin.