This might be the same issue I had before: Blocked Canonical Gmails - Issue
Deleting the email block record and blocking it again made the non-working rule start working again for me. Seemed to be an issue with older email block records.
This might be the same issue I had before: Blocked Canonical Gmails - Issue
Deleting the email block record and blocking it again made the non-working rule start working again for me. Seemed to be an issue with older email block records.