The transition from Borealis Broadband email can be seamless, setup is easy.
We will eMail you a config sheet (example) with an attachment to automatically configure your iPhone or most apple products.
It can be as easy as logging into the webmail address I will provide and changing the default password to the one you use in your client.
As to retrieving eMail from the old server, we have options, please contact us. It will be accessible till Jan 01, 2021 at mywebmail.borealisbroadband.net