Postmark
Reliable, fast email API for transactional messages
What is Postmark?
Try PostmarkPostmark is a transactional email service and API built to help teams send reliable, fast messages for app and customer communications. Beyond sending, it provides visibility into delivery events so you can respond when messages don’t go through as expected. Security is a core focus, with features designed to protect both your account and email traffic.
What security protections does Postmark offer for customer data?
Postmark hosts its servers in a secure data center and uses the latest security practices to protect customer data. It also supports GDPR-focused preparation and provides guidance on compliance and data protection for EU users.
How does Postmark protect accounts from unauthorized access?
Postmark offers two-factor authentication (2FA) for an extra layer of security. You can set up 2FA using popular 2FA apps like Google Authenticator, 1Password, or Authy, or receive codes via SMS, and you’ll also get printable backup codes if you lose your device.
Can Postmark manage access for large teams and control what users can do?
Yes. Postmark includes advanced user permissions so you can control who has access to each server. You can grant access to the entire account or a single server, and you can also add observer roles that can review message history without editing or deleting a server.
Does Postmark encrypt email traffic and support common email authentication standards?
Postmark supports opportunistic TLS for outbound email to help keep messages encrypted in transit, alongside HTTPS and TLS on its SMTP and API endpoints. It also fully supports DKIM, SPF, and DMARC so you can manage your domain reputation and reduce spoofing risk.
How does Postmark help you monitor delivery outcomes after sending?
Postmark can deliver delivery-related event notifications to your app using webhooks, so you can react to outcomes like delivery and bounces. For security, you should verify webhook signatures using the raw request body and a webhook secret before processing events.
How long does it take to set up Postmark security features like 2FA?
Postmark states that setting up 2FA takes just a couple of minutes, helping prevent unauthorized access to your account.