Undoing an unsubscribe WILL NOT RESUBSCRIBE you to a mailing list.
If you want to re-subscribe to a list then you'll need to follow the same steps to subscribe as you did originally, usually from the senders website.
Once you've clicked the unsubscribe link we follow that link and actually unsubscribe you from that email. So once we've been through the process of unsubscribing there is no way for us to undo the original unsubscribe steps that we followed.
If you want to re-subscribe to a list then you'll need to follow the same steps to subscribe as you did originally, usually from the senders website.
The "Undo unsubscribe" button
However, we can undo the actions that we take after an unsubscribe which will remove it from the unsubscribe blocklist and delete any filters we may have created.
This DOES NOT RESUBSCRIBE YOU to the mailing list but it will prevent us from blocking any future emails from this sender.

Clicking the undo undo unsubscribe button will:
- Delete any filters that we created for this sender in your connected Gmail or Outlook account
- Remove the sender from your "unsubscribe blocklist"
- Set the email back to "Subscribed" in our system
It will not:
- Actually resubscribe you to the email or mailing list
Just a reminder that this WILL NOT RESUBSCRIBE you to a mailing list.
If you want to resubscribe to the mailing list you will need to do so via the original method (e.g. via their website).