If you run a business, your "Sender Score" might be low.
First, look in the Spam folder . If you find the missing email there, mark it as "Not Spam." This trains Yahoo’s filter for future messages. Also, check any custom filters you may have created (Settings → Filters) that might be routing emails to Trash or a specific folder. blocked emails yahoo
One of the most common and easily overlooked reasons for missing emails is the user’s own . Yahoo allows users to manually add specific email addresses or entire domains to a blocklist. This is a useful tool for stopping persistent harassment or spam from a known source. However, it is also a potential pitfall. If you run a business, your "Sender Score" might be low
If you're a bulk email sender, here are some additional tips to help prevent your emails from being blocked on Yahoo: Also, check any custom filters you may have
If you have access to the sender, ask them to look for a bounce-back email from Yahoo’s mail server. An error message like "554 5.7.1" confirms a block. They can consult Yahoo’s Postmaster page to understand the specific code.