In the icon Apple Mail uses as an example, 'Level Three' would represent your original, first email. Preferences' Fonts & Colors tab lets you determine the default appearance of emails fixed-width fonts look like this, and are often used as a convention to indicate that an email does not contain formatting information, (such as colors, bold-face, etc.)Ĭolor quoted text allows you to color-code the thread levels in an email exchange, which can be quite practical to visually identify blocks of text instantly. The Junk Mail tab of Preferences is covered under Spam & Junk Mail. (Unless you downloaded and installed an SSL certificate, or use something like PGP, your emails are in plain text.)įor a discussion of the Accounts tab of Preferences, please see Email Account Settings. Finder can optionally index non-encrypted emails too emails are not encrypted by default.

Preferences' General tab lets you set generic options, such as the default email client for OS X, the check-for-new-mail period, and the sound a arriving email triggers - if any.

Apple mail preferences