While Postmark is secure and redundant, these are some best practices you can take to help protect your Postmark account.Don’t share user accounts# Be…
Help DocBefore you start sending emails to real users in your production environment, it’s always a good idea to start by sending test messages. You might even…
Help DocWe take our responsibility of sending your business-critical application emails seriously. In order to maintain our high level of reliability, time to…
Help DocAlong with our Sandbox mode feature, Postmark offers a black hole domain (bounce-testing.postmarkapp.com) to test bounces. This can be useful…
Help DocA bounce is when an email is returned back to Postmark’s email servers after being sent. This can happen for many reasons: Hard Bounce: The email…
Help DocOne of the questions we hear most often at Postmark is, What is the difference between transactional email and bulk or marketing email? In this article,…
Help DocIf you work for a web agency, operate a helpdesk/CRM service, or run an online marketplace or platform, chances are you need to send emails on behalf of your…
Help DocOnce you know you’d like to use Postmark, migrating is super-easy. Depending on your desired approach, you can either integrate directly via SMTP settings…
Help DocFrom time to time our customers email us asking to troubleshoot delivery issues to an ISP (Gmail, Yahoo, etc). The steps to troubleshoot the problem are…
Help DocEmails and attachments have size limits for both sending outbound messages through Postmark or receiving messages as JSON with inbound processing. This…
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