Most inbox service provider like Gmail, Hotmail and Yahoo offer free email addresses that you may be currently using with your online store.
Unfortunately, such kind of email address are often found unprofessional and untrustworthy by subscribers when using them as your store's sending address.
Having your own email address will give your emails a professional look towards your audience, building trust and ultimately helping with your brand awareness.
We strongly recommend that you create and use your own custom domain.
You can create such a custom domain with providers like Google for Business (click here to find out more)
Please note: This will happen using any ESP.