Free Deliverability Audit

Unsure of your current deliverability status of your current mail system?

CritSend offers a free deliverability audit without switching to our service. Find out what percentage of your mails are currently landing in their inboxes, where your emails are bring rejected or blacklisted, and what percentage are classified as spam or have bounced. Setup in one easy step.

  1. Contact us to get your free user code
  2. Add in your HTML email deliveries the following HTML tag in the email. It's a transparent gif of 1x1 pixel.
    Replace USER_CODE by the code given to you. Let it run a few days.
  3. Send us samples of the emails you are sending out.
  4. Send your delivery logs to: support@critsend.com. Add the name and version of the MTA/mail server you used.
  5. Within a few days we will send you a detailed delivery report.