Gmail often has some technical issues that can be handled by the user. Users often find . IMAP stands for Internet Message Access Protocol and is precisely used for accessing emails from a mail server. The reason behind IMAP malfunctioning can be a poor internet connection, improper settings, or an outdated version of the client's Gmail app. The possible ways to troubleshoot this issue are: Make sure that the IMAP is enabled or kept on. Check the settings of your client's Gmail account. Remove the account temporarily and reinstall it. The SSL settings like port numbers and authentication options are adjusted correctly. Ensure that you are using a stable and high-speed internet connection.