In order to easily distinguish between useful Mail and useless Mail from your cluster of messages inside Mail, you can use four types of message marking as your assistance. These four types of marking available in Mail are: Mark As Unread, Mark As Flagged, Mark As Junk Mail and Mark As Hidden.
How to use these four message markings for your Mail?
Unread messages are indicated by blue dot next to the messages. Usually, the message will be automatically set as read the time you open the message. Sometimes you will need to remind yourself to review the message again, that's when Mark Message As Unread comes into play. After marking the message as unread, the blue dot will reappear again.
Shortcut to Mark As Unread: Command-Shift-U.
There is a time when you feel you will need particular message in your inbox as future reference or maybe you happen to read an article from RSS of UsingMac.com and think that you will need it again in the future, I recommend you to Mark It As Flagged. Flagged message, in the future, can be sorted up by clicking on the flag button and results in flagged messages appear before other unflagged messages.
Shortcut to Mark As Flagged: Command-Shift-L.
If you happen to see messages highlighted in brown color instead of black, it means that those messages are junk. Most of the time, your server junk mail filter can determine for you which message is junk and which is not. But in case these junks still be able to infiltrate your inbox, you need to mark it as junk to throw the message away to junk mailbox.
If your server is IMAP, you want to separate your junk mailbox from inbox, you can do the following steps:
Shortcut to Mark As Junk Mail: Command-Shift-J.
Actually, there is two ways to do this, depend on for what purpose you want to hide your messages for.
If you want to hide your messages because you don't want to see your inbox overflowed by messages other than unread messages; You can do the followings:
The second way, if you want to hide your deleted messages instead of moving them to other folder, you can follow these simple steps:
Shortcut to Mark As Hidden (Deleted): Command-Backspace.
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