Get more email to the inbox and improve your sender reputation.

See Certification in Action

Ensure your email reaches the inbox with Certification.

21 percent of commercial emails never reach the inbox, landing in spam folders or getting blocked. That’s a possibility of losing one fifth of your potential opens, clicks, and ultimately revenue—impacting the success or failure of your email programs.

Return Path’s Certification program is the industry’s most recognized and valued certified whitelist. Getting on the whitelist helps ensure better inbox placement with major mailbox providers like Microsoft, AOL, Yahoo, Comcast, and more.

Get more email delivered with Certification

When you become Return Path Certified, email providers acknowledge you as a safe, reputable company and in turn, your email program receives reduced filtering at major mailbox providers. Certification is accepted by mailbox providers around the world and is the only program of its kind with such universal acceptance. By following the program’s proprietary standards, you will beat the competition by reaching more of your subscribers’ inboxes.

To improve your inbox placement, apply to the Certification program today.

With Return Path Certification, you’ll receive IP address and sending domain benefits, such as:

  • Preferential treatment at global and regional mailbox providers like Microsoft, AOL, Yahoo, Comcast, Orange, and Mail.ru.
  • Favorable reputation and treatment at critical filters like Cloudmark, SpamAssassin, and Cisco Ironport.
  • Increased deliverability during the crucial holiday season when mailbox providers typically throttle and filter high-volume senders.
  • Automatically enabled images and links to maximize subscriber engagement.
  • Dedicated 24/7 monitoring team to provide you with security alerts as issues occur.
  • Data-rich Daily Performance Report that shows your current and trending performance.
  • Email alerts that include actionable content if your performance drops.
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"Thousands of people each week rescue pets through our Rescue Me website. If even a single email doesn’t get delivered to the Inbox of one of our users, it could mean the difference between life and death for a shelter animal. Thanks to Return Path, all of our emails to Yahoo, Hotmail, and AOL users get delivered promptly to the Inbox.”

Jeff Gold

Founder of Rescue Me

Our list has the highest standards

At Return Path, we stake our reputation on the strength of our whitelist. Once we receive your application, we will review your email program, evaluate your permission practices, email infrastructure, privacy policy disclosures, and more. If applicable, we’ll give you specific recommendations on what needs to be changed or adjusted. This valuable, in-depth review can help you to improve your current mailing program, even before you get certified.

Certification Pricing and Fees


Certification Standards and Requirements

To be accepted into the Return Path Certification Program, you must:

  • Submit your application.
  • Pass our review of your email practices.
  • Show that you are compliant with all applicable laws, including CAN-SPAM.
  • Demonstrate that you only send email from properly configured and authenticated servers.
  • Maintain exceptional sender complaint and spam trap hit rates.
  • Not appear on any reputable blacklists.

Once Certified, we will continue to monitor your performance and adherence to standards. We’re on your side. Our experts are always ready to help and ensure that you remain in good standing.

Apply Now

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"For us, Certification provides us more than just higher inbox placement rates. It gives us a peace of mind knowing on a daily basis how our emails are being delivered."

Mary Newhoff

Digital Marketing Manager at Tommy Bahama

Featured Resources

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The Travel Company's Guide to Email Marketing

Learn More

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2017 Deliverability Benchmark Report

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We Know Email

We’re experts in deliverability and driving results for your email marketing.

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