The PostMarkApp plugin provides email sending services using your PostMark App account.

Installing the PostMarkApp Plugin

Add the StoreBuilder.PostMarkApp.dll to your web project by adding a reference to the Nuget package StoreBuilder.PostMarkApp

PostMarkApp Settings

The PostMarkApp plugin requires the following settings to be configured within Storebuilder:

StoreBuilder.PostMarkApp.ServerAPIToken (string)

This is the Server API Token that is generated via PostMark.

StoreBuilder.PostMarkApp.SenderSignatureEmail (string)

The SenderSignatureEmail is the email that will be sending Emails with PostMarkApp.

How to find your PostMarkApp Settings


  • Login to PostMark
  • Select the server you'll be sending emails from

  • Go to Credentials in the sub menu

  • Your ServerAPIToken is in the Server API section


  • Login to PostMark
  • Go to Sender Signatures

  • This page has a list of available Signature Emails
  • To add an email go to Add a new Signature