What to do when registrants do not receive emails - SPF/DKIM/DMARC Failure

Troubleshooting Steps

History Record Shows Email Was Sent - Registrant Still Did Not Receive

If a History Record shows but the registrant still did not receive the email, then the email may be marked as Spam or quarantined by the recipient's email server. There are multiple factors that receiving email servers consider when filtering out Spam or Malicious emails. The main areas checked are the FROM address and the Email Content.

FROM Address

(example: Jeff@CertainTest.com)

Email Content

Note

If an email is Bounced back or Blocked by a receiving email server, the event contact (REPLYTO address) will receive an email notifying you that the email was "Undeliverable". If the email is sent to their Spam folder or quarantined by their server, no email will be received by the Event Contact.

SPF/DKIM/DMARC Failure

If your emails are not passing the security checks or are getting bounced back because they failed DMARC checks, review the FROM address you are using. You would have two options:

Configuring your Account to use the Default Certain FROM address

1. Navigate to Account Settings > Implementation > Security Settings.

2. Under Other Settings, select Use event-information@certain.com next to Set Email FROM value to:

3. Click Save.

Using Your Own FROM Address

If you are using your own FROM address, you need to make sure that the email passes security checks (SPF/DKIM/DMARC). To do this, you will need to reach out to Certain Support to get the information needed to set this up properly. The Support team will provide you with 3 DNS entries that you would need to make/add to your FROM addresses Domain. You would then apply these entries to your DNS host to alert your email server that emails sent from that address are legitimate, allowing them to pass SPF/DKIM/DMARC security checks.

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