For more information about why your email was unsuccessful, please click the ⚠️(red triangle) icon to view more details:

Error list:

Domain is not allowed to send: The domain is unverified and requires DNS configuration. Log in to your control panel to view required DNS records.

Log in to Mailgun - 

1. Expand Sending tab

2. Click the last menu item Domain Settings

3. Make sure you select the correct domain/subdomain for the location on top

4. Click DNS records on the top middle

5. Click Verify DNS settings and see if all 5 DNS records have a green checkmark?

Sometimes it might show if they have all green checkmarks but it might not be the case, you will need to click the Verify DNS Settings button again to refresh the record: 

Domain is not allowed to send: Account Terminated

Agency will need to reach out to Mailgun support to see why it got terminated


Too old

It is one of Mailgun's internal errors that you can clear in the HighLevel agency settings. But to find out the reason why you are getting that error,  you will need to reach out to Mailgun support to check further.

Send verification error

Too many requests

The error means that too many email requests were sent at the same time. Please contact Mailgun support to check if there is an email limit with the Mailgun account.

You can clear the error in the agency settings -> Email services tab

Temporary System Problem when using Gsuite

“code”:“EENVELOPE”,“response”:“421 4.3.0 Temporary System Problem. Try again later (10). o11-20020a056e02092b00b0031559b0cb61sm1590122ilt.8 - gsmtp”,“responseCode”:421,“command”:“DATA

If you are sending emails in bulk and receive the error above, this might happen when using Gmail SMTP, please inform the user to use LC Email or send in batches with low volume.