It is quite common for smaller companies to have many mail addresses such as email@example.com, firstname.lastname@example.org and email@example.com.
This gives your customers the impression that you are a larger organisation than you actually might be, and is particularly useful when used on a website. The prefixes you use (i.e. sales, enquiries etc…) are entirely up to you.
Duport’s hosting package includes 100 email address.