It isn't very pleasant when Yahoo mail is not sending any emails, and you have important work to do. Don't worry; you can follow along with me to fix this issue on your computer.
1. First, check if the problem is at the Yahoo server, you can check for that on various internet forums.
2. Next, you need to make sure that you are connected to the Internet as a slow internet can interrupt the proceedings.
3. You should check the email attachments and ensure that they do not exceed the 25 MB limit set by Yahoo.
4. If there are any issues with something's filters, you can tweak Yahoo email settings and resolve the issue.
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