Set up email verification with Postmark email service

Logto connector for Postmark email service.

tip

In this guide, we assume you have basic knowledge of Logto Connectors. If you don't, check out the Configure connectors guide to get started.

Get started

Postmark is a mail platform for transactional and marketing email. We can use its email sending function to send a verification code.

Register Postmark account

Create a new account at Postmark website. You may skip this step if you've already got an account.

Configure your connector

Fill out the serverToken field with the Server Token you find under settings for your server in Postmark.

Fill out the fromEmail field with the senders' From Address.

In order to enable full user flows, templates with usageType Register, SignIn, ForgotPassword and Generic are required

Here is an example of Postmark connector template JSON.

[
  {
    "usageType": "Register",
    "templateAlias": "logto-register",
  },
  {
    "usageType": "SignIn",
    "templateAlias": "logto-sign-in",
  },
  {
    "usageType": "ForgotPassword",
    "templateAlias": "logto-forgot-password",
  },
  {
    "usageType": "Generic",
    "templateAlias": "logto-generic",
  },
]

Test Postmark email connector

You can type in an email address and click on "Send" to see whether the settings can work before "Save and Done".

That's it. Don't forget to Enable connector in sign-in experience

Config types

Name	Type
serverToken	string
fromEmail	string

Template Properties	Type	Enum values
usageType	enum string	'Register' | 'SignIn' | 'ForgotPassword' | 'Generic'
templateAlias	string	N/A