How to send email with Mailtrap

Knock integrates with Mailtrap to send email notifications to your users.

In this guide, you'll learn how to get started sending transactional email notifications with Mailtrap through Knock. We also cover provider configuration and additional data you can pass through to Mailtrap.

Features

  • Attachments support
  • Delivery tracking
  • Knock link and open tracking
  • Per environment configuration
  • Sandbox mode

Getting started

You can create a new Mailtrap channel in the dashboard under the Integrations > Channels section. From there, you'll need to configure the channel for each environment you have.

Channel configuration

The following channel settings should be configured per environment. Navigate to Integrations > Channels in your dashboard, select your Mailtrap channel, then click "Manage configuration" under the environment that you'd like to configure.

Additional data sent

Knock sends the following attributes along with your emails:

  • custom_variables.knock_message_id: the ID of the message this email is associated with
  • custom_variables.knock_recipient_id: the Knock ID of the recipient this email is being sent to

Recipient data requirements

To send an email notification you'll need a valid email property set on your recipient.