Wild Apricot does not provide email hosting services or help you set up email accounts. There are, however, numerous email hosting services that you can use together with your Wild Apricot account.
A free service is available for eligible non-profits from Google. As well, you can take a look at email hosting services offered by Rackspace, Exchange Online, GoDaddy, Network Solutions, Hover.com, Microsoft Office 365 – as well as many others. Your domain registrar might also offer email hosting services.