If you are facing the issue Gmail not receiving emails, then there may be various causes for this issue. some of them are discussed below: Incorrect Server address: many times, the email server is incorrect, so check the server address and find whether the problem lies here or there is any other reason. Authentication type: authentication protocol is a type of computer communications protocol or cryptographic protocol that is designed to transfer authentication data between two entities. SSL is for incoming server authentication and for outgoing it should be TLS. Filter related issue: may-be you have applied an email filter, so the emails are getting forwarded to trash or spam folder. Check the filter settings of your email and see if they are being moved to trash or spam folder. If there is any filter, remove it immediately. Now you will start receiving emails again. Check the email forwarding settings: Email forwarding service enables you to forward an email received f...