Email is one of the most important part of b2b communication, its has world wide application and acceptance , having a b2b Ecommerce platform makes it easy to nuture leads and categories the message to your target audience

Email marketing is a powerful tool, one that many B2B companies do not take advantage of. Triggered Emails are a good way to get started.  They are event-driven, based on a customer’s behavior, typically. Once they are set up, triggered emails require no additional time or resources.

Source: Using Triggered Emails for B2B Ecommerce

Thus it is necessary to have a good ecommerce platform vendor  to meet the above requirement of the ecommerce platform