One of the best ways to keep your Mac running as smoothly as possible is to regularly use cleaning software, like MacKeeper. It’s frustrating when any app stops working on your Mac, let alone an app that you use as often as Apple Mail. Fortunately, whatever the problem is, you just need to follow a simple set of troubleshooting steps to fix it. It might become totally unresponsive or it might just stop receiving new emails. TLS Certificate: Some mail servers require computers that connect to them to provide a certificate proving their identity.Īllow insecure authentication: For email accounts that don’t support secure authentication, let Mail use a non-encrypted version of your user name and password to connect to the mail server.There are lots of ways Apple’s Mail app might stop working on your Mac. IMAP Path Prefix: The location of your mailboxes on an IMAP server. This option is available only for POP and IMAP accounts.Ĭlick the button, then enter or change the settings as directed by your email account provider: Port (or Internal Port and External Port), Use TLS/SSL: The port numbers for receiving messages, and whether to use TLS/SSL.Īuthentication: The authentication method. If you deselect this option, you can specify the following, as directed by your email account provider: Let Mail automatically manage settings for your email account, such as port numbers and authentication methods, in Mail. Use information found in Mail in other appsĮnter the user name you use on the mail server.Įnter the password you use on the mail server.

View, save, or delete email attachments.

Temporarily stop using an email account.

Location of apple mail preferences