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 username and password to connect to the mail server.
IMAP Path Prefix: The location of your mailboxes on an IMAP server. we examine the 5 most common Apple mail and Gmail issues on Mac OS 10. This option is available only for POP and IMAP accounts.Įnter or change these settings as directed by your email account provider: Gmail does allow you to add your account to Outlook without setting up two-factor. 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. including Office 365, Gmail, Yahoo, work or school accounts, and accounts through your. If you deselect this option, you can specify the following, as directed by your email account provider: Mail automatically manages settings for your email account in Mail, such as port numbers and authentication methods.