For any business user or organization today, the decision to use email is a no-brainer. Business simply can't be done in many cases without it. But that doesn't mean you can interchange email platforms or service providers at will. Digging into the capabilities of these services reveals a great deal of additional feature scaffolding that surrounds almost every email implementation by necessity.
It is also necessary to study email alternatives as part of your email service setup plan. Email is the standard way to communicate and it is familiar to most users, but it isn't always the most effective or expedient method. Email can be slow, result in delayed responses, and messages are rarely read to completion. Because of this, many businesses require additional "collaboration" tools, that various email services also include, in order to fill the communication gap more effectively.
That said, not all web hosts offer email. WP Engine, for example, does not. In such instances, you must email accounts from a company other than your web host. GoDaddy, for instance, sells email packages starting at $3.49 per user, per month. That might sound like a hassle, and just one more thing to keep track of, but there are actually some webmasters who feel that separating your email hosting and web hosting services is smart. That way, one provider going offline won't completely bork your business.
In particular, Web Hosting Hub uses BoldGrid as a site builder. BoldGrid is actually an add-on to WordPress, so there's no lock-in. This overcomes the major problem of most site builders: you're locked into that host and that tool, often requiring you to completely rebuild your site if you want to expand. By using a WordPress-based solution, all of the rather considerable power of WordPress is available for future expansion.
Whatever the case, this won’t reflect well on your website or business. If you’re a professional or hobbyist, consider this scenario: your business/blog is mentioned on the radio, TV, or in an article on a highly trafficked site. Suddenly you have 60,000 web visitors . . . and it’s gone. Your site crashes under the stampede. Poof! There goes all that free publicity.