Email is the hub of almost every business. It's the easiest way to communicate, both internally and externally. It's where you get your most important notifications. And it gives you storage space for archiving critical information and shared files. While it might be tempting to pick your email provider based on brand familiarity, it's important to review your options before committing to a service that will become your team's most-used service. The best email hosting provider will not only let you reliably send and receive email for your own domain, but it might also offer additional tools, such as shared contacts and calendars for your company.To make your choice easier, we tested and compared the top business email hostingservices. Here's what each does best—as well as alternatives for hosting your own email.