If you connect your Mac to your UPS with a USB cable, you can use Energy Saver to shut your Mac down automatically in the event of a power failure… before the UPS battery runs out.
If you have parked domains that never send email, it’s important to set up SPF, DKIM, and DMARC so scammers can’t forge legitimate-looking email from those domains.
When you connect to a public Wi-Fi network, you often must authenticate or agree to terms on a captive portal login page. Here’s the solution if that page doesn’t appear.
QR codes—those blocky squares you scan with your iPhone camera—are an easy way to open a Web page. Unfortunately, scammers also use them to trick people into visiting malicious websites, so read our tip about scanning these codes safely.
The built-in Magnifier app on the iPhone and iPad is a godsend when trying to make out a tiny serial number or anything else that’s too small to read easily.
Finding and entering a desired emoji can be tedious. For those you like to use regularly, creating a text replacement lets you type a few characters to get a particular emoji quickly and easily.