Microsoft ended free custom domain support earlier this year [0]. To use custom domains with Outlook.com, you either have to have already configured Outlook to

Microsoft ended free custom domain support earlier this year [0]. To use custom domains with Outlook.com, you either have to have already configured Outlook to use a domain name or pay $5/user/month for Office 365 [1]. 0: http://microsoft-news.com/microsoft-ends-custom-domain-support-for-outlook-com-suggests-users-to-office-365-migration/ http://microsoft-news.com/microsoft-ends-custom-domain-suppo... 1: http://products.office.com/en-us/business/compare-office-365-for-business-plans http://products.office.com/en-us/business/compare-office-365...