A glossary if you are experiencing account and email provider issues

In HubSpot, when you attempt to enrol a contact in a sequence, you may encounter error messages informing you that the contact cannot be enrolled.

Here are some common reasons why a sequence may not be behaving as expected:

Error Message	Meaning	Solution
Rate limit reached	HubSpot imposes send limits so you don't exceed your email provider's send limit.	Re-enroll the contact at the next step.
Send failure	A "Permanent fail" error occurred for the contact. This could be due to an issue with your internet connection or your email provider preventing the email from sending.	Check your internet connection Re-enroll the contact at the current step Reconnect your inbox if needed.
Inbox disconnected	HubSpot was unable to access your email account to send the sequence step because your inbox disconnected.	Check your inbox connection within HubSpot and your email client to ensure it's properly connected.
Gmail send error	The first step in the sequence was sent through Gmail and failed. HubSpot cannot determine the cause of the error.	Try re-enrolling the contact from Gmail after a few minutes. If the issue persists, contact Google Support or use the CRM to enroll the contact.

Gmail send error

Meaning: The first step in the sequence was sent through Gmail and failed. HubSpot cannot determine the cause of the error.

Solution

After a few minutes, try re-enrolling the contact from Gmail again

If the issue persists:

Contact Google Support
Use the CRM to enrol the contact.

Inbox disconnected

Meaning: HubSpot was unable to access your email account to send the sequence step because your inbox disconnected.

Solution

Check your inbox connection within HubSpot.
Verify the connection in your email client.

Rate limit reached

Meaning: HubSpot imposes send limits so you don't exceed your email provider's send limit.

Solution:

Re-enrol the contact at the next step.

Send failure

Meaning: A "Permanent fail" error occurred for the contact. This could be due to an issue with your internet connection or your email provider preventing the email from sending.

Solution:

Check your internet connection.
Re-enrol the contact at the current step.
Reconnect your inbox if needed.