Yahoo Mail is an email service. It is a cloud-based messaging solution that allows staying connected to your email with one-tap access to the inbox, support multiple Yahoo accounts, and instant email alerts from any device. Users are able to access and manage their mailboxes using the webmail interface It offers four different email plans: three for personal use and another for businesses. Yahoo Mail allows you to “block" and "unblock". this will be done through any internet browser on a Mac or PC — unfortunately, you cannot unblock an email address using a mobile device. Here you'll check out how to unblock a sender in Yahoo Mail.
Follow the above-mentioned steps the exact way in order to unblock any email. However, if the issue persists, perform a quick restart of the machine and check if it resolves the problem.
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