Scroll down to the Blocked Addresses section.
Unblocking on Yahoo Mail is straightforward and reversible. After unblocking, it may take a few minutes for the change to take effect. For critical senders, also add them to your contacts to ensure deliverability. how to unblock someone on yahoo mail
Select More Settings from the dropdown menu. Scroll down to the Blocked Addresses section
Select Blocked Addresses .
Tap the Edit (or pencil icon) or Remove next to the contact you wish to unblock. click Security and Privacy .
In the left sidebar, click Security and Privacy .