If you’re overwhelmed by your e-mail, Mail’s rules can help.
Open the menu Settings → Mail processing rules and click on Create rule. In the section Apply, select from the list the type of emails you wish the rule to apply to
Mac OS X Snow Leopard lets you create email rules — automated actions that Mail can take based on what is included in the email. With rules, you can specify that actions...
Step 2: Switch to New Rules tab and click on the button reading New. A dialog for New Mail Rule will be launched.
Mail; mail rules; rules; Disappearing rules; disappear; duplicate Rules; duplicate; duplicating; duplicated; folders; Missing; Gone; Can't See; mail rule; invisible; Vantive; fix list; ghost rules; ghost...
Mail.app can be made to add this header in a few different ways. (The question mentions Rules, but I believe those only act on incoming mail.)
Preventing unwanted messages from showing up in your inbox can be integral to enjoying email. In this article we will walk you through the process of creating mail rules that will direct messages to other...
Setting up and maintaining some simple rules in Mail can significantly cut down on the amount of time you’re spending shifting through and deleting unwanted emails.
iCloud is no longer my mail server of choice but it's still common and it's also easy to overlook the option for server-side mail rules.
...can manage your Outlook email better by having incoming mail automatically moved into separate folders.