We stay in a world the place knowledge about what you do may be very priceless, and individuals who need this knowledge continuously search for methods to gather it. Your electronic mail is one priceless useful resource, and it’s attainable your emails are embedded with a picture that’s virtually invisible and can be utilized to trace you. This generally is a message despatched from a large firm, a tiny agency utilizing a mailing checklist service to handle their transmissions, or a person utilizing mail software program designed to embed a monitoring electronic mail.
Monitoring pixels embedded in emails permit a sender to know at any time when the message is opened, monitor every date and time, and can alert them if the e-mail was forwarded. The BBC stories that most emails now contain such trackers.
Apple affords solely a rough resolution to cease this:
-
In macOS within the Mail app, select Mail > Preferences > Viewing and uncheck “Load distant content material in messages.”
-
In iOS and iPadOS, go to Settings > Mail and disable Load Distant Photographs.

You possibly can configure Apple Mail to not load any pictures by default.
For any message you view that has referenced pictures (fairly than these embedded as attachments within the message), you may click on Load Distant Content material or faucet Load All Photographs. However these actions don’t discriminate between which pictures load, they usually retrieve all the pieces, together with any monitoring pixels you’d fairly block.
A free blocking extension for Apple Mail for macOS, MailTrackerBlocker, prevents the loading of monitoring pictures from a wide range of well-known websites.

Postbox affords granular collection of which domains you permit pictures to load from.
You would additionally go for third-party electronic mail software program that has completely different image-loading choices. As an example, if you happen to use Postbox in macOS, you may disable the loading of all distant pictures after which use controls in a message to permit pictures to load from particular domains and sub-domains. (I take advantage of an historic mail app that’s text-only—it could’t load pictures in any respect—however it requires Mojave and earlier.)
There’s a extra complete choice, too, which is to subscribe to a firewall VPN service that’s designed to dam monitoring and defend privateness. Guardian Firewall and VPN for iOS/iPadOS collects no knowledge from its clients per the App Retailer disclosure, and blocks trackers utilized in electronic mail, inside apps, and on web sites. It’s $0.99 a day, $9.99 a month, or $99.99 per 12 months for as much as 5 gadgets utilizing the identical iCloud account, and acts in addition to a VPN for native community safety, too.
Lockdown Privacy affords software program for each iOS/iPadOS and macOS, and has a free firewall that blocks trackers of all kinds, together with these utilized in electronic mail messages. The corporate hasn’t up to date its apps since Apple required new privateness disclosures within the App Retailer, however the agency states the firewall collects no info. A VPN add-on from the identical firm requires a paid subscription that begins at $4.99 per thirty days for iOS/iPadOS and $9.99 for desktop and cell platforms collectively, however it’s not required.
Ask Mac 911
We’ve compiled a listing of the questions we get requested most ceaselessly together with solutions and hyperlinks to columns: read our super FAQ to see in case your query is roofed. If not, we’re all the time searching for new issues to unravel! E mail yours to mac911@macworld.com together with display screen captures as acceptable, and whether or not you need your full identify used. Not each query shall be answered, we don’t reply to electronic mail, and we can’t present direct troubleshooting recommendation.