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Search Results for: mac address

Tech 101: Spoofing a MAC Address in macOS High Sierra

In this article, we’ll show you how to spoof a MAC address on a macOS computer running High Sierra. This is a technique for changing the factory-assigned physical Media Access Control (MAC) address of a network interface on a networked...

Tech Tip: Finding and Changing Your MAC Address in OS X

Every network card in your Mac, whether it's for Ethernet, Wi-Fi, or even Thunderbolt, has been assigned a unique identifier called a Media Access Control or MAC address. This address can be used to identify a specific computer when it's on...

How to Quickly Block an Email Address on Your Mac

Tired of getting emails from folks or organizations you don’t want to receive messages from (I’m looking at you Eyesight Max and Senior Living)? With macOS 11 Big Sur, you can block ‘em! Open Mail app on your MacChoose an...

Mac Mail icon on desert background

How to Set and Use a Different Return Address in macOS Mail

The Mac Mail app is pretty smart and is pretty much reliable at associating an email address with a particular account, so I don’t set up a specific return address in Mail. However, when you reply to an email, you can choose a different return email address than the one associated with it.

How to Share Security Certificates in macOS Sonoma

With Safari you can use the Keychain access app to add certificates to a keychain. A certificate file can be shared between computers, and you can add certificates to your keychain for quick access to secure websites and other resources.

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