Email, Messaging, & Video Calls Email Learn to Prevent Mac OS X Mail from Downloading Remote Images Play it safe and limit the download of remote images By Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated February 15, 2020 Endai Huedl / Getty Images Email Yahoo! Mail Gmail Tweet Share Email Emails and newsletters in HTML format look great in the Mail application in Mac OS X and macOS, and they are easy to read, but HTML emails can compromise your security and privacy by downloading remote images and other objects when you're reading them. MacOS X Mail has an option for security- and privacy-conscious users that disables downloading any content from the net. If you recognize and trust the sender, you can instruct the Mail app to download all of the images on an email-by-email basis. Instructions in this article apply to Mac OS X Tiger (10.4) and later. How to Prevent Mac Mail from Downloading Remote Images To prevent Mail from downloading remote images: Select Preferences from the Mail menu. The keyboard shortcut is Command+, (comma). Click the Viewing tab. Click the box next to Load remote content in messages to remove the checkmark. Close the Preferences window. Now, when you open an email with remote images in it, you'll see an empty box for each image that has not been downloaded. At the top of the email is a message that says, "This message contains remote content." Click the Load Remote Content button at the top of the email to load all the images immediately. To view just one of the remote images, click the box in the email to load that image in a web browser.