There are many ways in which you can get rid of unwanted mails in Yahoo mail account. You can create filters to directly send unwanted mails to trash or spam box. If you want you can block the sender’s completely or if you want you can ban the e-mail addresses responsible for sending unwanted mails to your inbox. You can also block an e-mail address if you do not desire to get any more mails from the address in question. Yahoo support number will help you to manage your inbox and keep it clutter free.