Click on the 'Outgoing Mail Server' drop down menu and select 'Edit SMTP Server List.'.We recommend that you restart Mac Mail between each config change.If you have multiple accounts, you will need to edit each one separately.Click on the Mac Mail account you wish to edit.Go to the Mac 'Mail' menu and click 'Preferences'.Open Mac Mail on High Sierra by clicking the Icon.
Please see our Mojave 10.14 Mac Mail SMTP server setup guide here. Mac Mail - High Sierra 10.13 - Setup GuideĪre you using the latest version of Apple's Mac OSX?
