

If you don't need the new features, then we recommend you do not upgrade Notes support: once upgraded, you can't go back. These extra features are not available if you are using IMAP based Notes through Fastmail. Warning: The new Notes features are available to OS X 10.11/iOS 9 users only if you are using Apple's upgraded Notes with iCloud support. If you do this, Mail.app will let you choose which one you would like to use each time you compose a message. You can also enter multiple email addresses, separated by a comma. Instead, in the Email Address field, replace your Fastmail username with the address you wish to use instead. In MacOS prior to 10.11 (El Capitan), there is no aliases option. On the following screen, click the + button to add a new address.Click the Email address dropdown, then Edit email addresses.Select your Fastmail account on the left.


In Mac Mail, go to Mail → Preferences and select the Accounts tab.Looking for instructions on how to manually set up Mail, Calendar, or Contacts? Adding your other email addresses If you open the Profiles tool, you'll see a single entry for your Fastmail accounts. If you open your internet accounts list on your Mac, you'll see your accounts listed there. If everything looks good to you, click Install.

Examine the profile ("Show Profile") and make sure it has access to the options you require: email, contacts (CardDAV), and/or calendars (CalDAV). This will download the configuration file to set everything up on your Mac automatically. Click the link that says Open this configuration file.
