Search Results

  • What is email deliverability?

    Email deliverability is the ability to deliver an email to a recipient's inbox in a timely manner.

    Glossary
  • Domain reputation, explained

    Domain reputation is the opinion receivers have of your domain, which helps them decide if your emails should make it to a recipient’s inbox instead of being rejected or ending up in a spam folder.

    Glossary
  • ActiveCampaign Transactional Email Triggers

    Do you love ActiveCampaign's automation builder and triggers, and also enjoy the deliverability and open tracking of Postmark? Well, put your hands together…

    Help Doc
  • Postmark Affiliate Referral Program Agreement

    Postmark affiliate terms and conditions

    Company Info
  • The hype and truth about email blocklists

    Understanding Blocklists and Their Impact on Email DeliverabilityThere are many blocklist organizations that may blocklist your domain or IP address when they…

    Help Doc
  • Integrating Postmark with Supabase via SMTP

    Supabase's default email service limits you to just 3 emails per hour! Fine for testing, but not great when you need reliable authentication emails in…

    Help Doc
  • What are bounces and spam complaints?

    A 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 address no…

    Help Doc
  • How do I send email on behalf of my customers?

    If 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 Doc
  • Troubleshooting email delivery issues

    From time to time, you might notice that messages sent through Postmark aren’t arriving in your recipients’ inboxes, or they’re landing in spam. Delivery…

    Help Doc
  • Can I send bulk emails?

    One 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, we’ll…

    Help Doc

Still need some help?

Our customer success team has your back!