How can I fix Yahoo mail delivery failed error message?

If this Yahoo mail delivery failed error message, then for that you are advised to get entered email address checked for misspelled email address, the users are also advised to see if there is an issue with the recipient account if more information is required then for that reason the user is advised to get connected with the team of trained and certified Yahoo help number uk, lines are open for the users all the time they can be connected for the required help as and when the user feels like it. There are so many options through which the user can easily connect with the experts such as phone calls, live chats as well as emails.