Millions of subscribers around the world use Yahoo Mail to connect with family and friends and share documents and files with their business associates. Even though Yahoo is one of the most popular email service providers in the world, there are times when users may find it difficult to access their accounts due to certain software errors or technical glitches. If you ever have trouble sending or receiving email on your Yahoo Mail account, you can call the Yahoo Mail customer service number and speak to trained email experts to get the best solutions to resolve the issue.