Providing email addresses to Pro Sites members

When someone signs up for a Pro Site and we either get them their domain or move their domain to our servers (on pSek hosting), is there a way to provide email addresses for them? Because they don't have cpanel access, they can't create them themselves.

For example, say someone with domain wants to move their site to my hosting. How do I get them the email addresses and

Thank you, by the way, for the great support on this forum. I hope I can give back soon...