Last updated: January 29, 2024
HubSpot will quarantine contacts from an imported list or after a marketing email send if any of the following conditions are met:
After contacts on a list have been quarantined, you won't be able to send marketing emails, including automated workflow emails, to those contacts. If those quarantined contacts are also present in other lists, they'll be dropped when sending to those lists.
The following contacts will be exempt from the quarantine:
If any of your imported contacts were quarantined, HubSpot will automatically create a list named Quarantined Contacts. To review this list:
You can also create a list of quarantined contacts manually:
To remove individual contacts from a quarantined list:
Please note: the one-to-one email must be sent solely to the contact you're trying to remove from a quarantined list.