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.These instructions are for Mac Mail on High Sierra 10.13 - for other programs please see How To Setup AuthSMTP or contact us.Only change the items specified - you should not need to change POP3 / IMAP settings.Take a note of any settings you change.These instructions assume your email account has already been setup and is collecting email correctly.First you need to make sure the email address(es) you will be sending from have been authorised in our Control Panel.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?
