Electronic mail commonly known as Email is a very useful way to deliver message from one user to the other. In the process of sending and receiving emails, users may experience some changes or situations where the functioning does not go as it was supposed to. Cox mail users also experienced something as such, when users composed their mail and clicked at send button than the mails were not delivered for some reason. Now in order to fix such issues we suggest users to follow the given procedure. • Check the date and time, if it is set to the default timing. • If the internet connection is not active than such issues does occur • If the sender’s emails address has not been entered correctly, mails wont be sent. • If users have made changes in the settings than blocked users will not receive any mails. If the given steps are applied on Cox mail than users will be able to fix Cox mail not sending emails Plus, if users face other such changes in Cox mail than contact to the Customer Care Number.