Some Third-Party Email Apps Let Employees Read User Emails

Some third-party email providers that work with services like Gmail are letting their employees read customer emails to create new and optimized software tools, according to an article warning about third-party email apps and services published today by The Wall Street Journal.

Return Path, a service for email marketers that has 163 app partners, two years ago allowed its employees to read approximately 8,000 full customer emails to train the company's software.

edisonmail
Similarly, Edison Software, a company that makes the Edison Mail app for iOS, had employees read the emails of hundreds of users to craft a new "smart replies" feature.

According to The Wall Street Journal, neither company asked users for specific permission to read their emails, but have said the practice is covered in their user agreements. Employees who read the emails were governed by "strict protocols," and in Edison's case, user information was redacted.

Edison, Return Path, and other third-party email services also use computer scanning to analyze emails, a common practice. For its article, The Wall Street Journal interviewed over two dozen current and former employees from email and data companies.

Google no longer scans the inboxes of Gmail users itself as of last year for privacy reasons, but it continues to allow third-party software developers to do so. Other email services, like Yahoo and Microsoft, are similarly impacted, providing access with user consent.

Return Path, Edison, and other developers of apps that work with Gmail and similar email services don't appear to have misused customer information, but many customers are likely to be concerned about the fact that employees at some email companies are reading their emails. Many customers are also likely unaware they're consenting to such practices when signing up for a third-party email app.

In a written statement, Google said that it provides data to outside developers who have been vetted and who have been granted permission by users to access their email. Google says its own employees read emails only in "very specific cases where you ask us to and give consent, or where we need to for security purposes, such as investigating a bug or abuse."

As The Wall Street Journal points out, customers should be wary of email apps because Google does not have strong consumer protections in place when it comes to email. It's a simple process to build an app that connects to Gmail accounts, and with permission to access the Gmail inbox granted, a developer can see the entire contents of the inbox. It's not just large corporations that are able to get to this data - Google also gives permission to one-person startups, and data privacy protections can vary.

Customers concerned with how their emails are handled by third-party apps should stick with first-party apps such as Gmail or Inbox by Gmail for Gmail users and/or take a close look at the app's privacy policies and ask further questions about data usage.

Popular Stories

airpods pro 3 purple

New, Higher End AirPods Pro Coming This Year

Tuesday January 20, 2026 9:05 am PST by
Apple is planning to debut a high-end secondary version of AirPods Pro 3 this year, sitting in the lineup alongside the current model, reports suggest. Back in September 2025, supply chain analyst Ming-Chi Kuo reported that Apple is planning to introduce a successor to the AirPods Pro 3 in 2026. This would be somewhat unusual since Apple normally waits around three years to make major...
smaller dynamic island iphone 18 pro Filip Vabrous%CC%8Cek

iPhone 18 Pro Leak: Smaller Dynamic Island, No Top-Left Camera Cutout

Tuesday January 20, 2026 2:34 am PST by
Over the last few months, rumors around the iPhone 18 Pro's front-panel design have been conflicted, with some supply-chain leaks pointing to under-display Face ID, reports suggesting a top-left hole-punch camera, and debate over whether the familiar Dynamic Island will shrink, shift, or disappear entirely. Today, Weibo-based leaker Instant Digital shared new details that appear to clarify the ...
iOS 27 Mock Quick

iOS 27 Will Add These 8 New Features to Your iPhone

Sunday January 18, 2026 3:51 pm PST by
iOS 27 is still many months away, but there are already plenty of rumors about new features that will be included in the software update. The first beta of iOS 27 will be released during WWDC 2026 in June, and the update should be released to all users with a compatible iPhone in September. Bloomberg's Mark Gurman said that iOS 27 will be similar to Mac OS X Snow Leopard, in the sense...
14 inch MacBook Pro Keyboard

MacBook Pro Buyers Now Facing Up to a Two-Month Wait Ahead of New Models

Sunday January 18, 2026 6:50 pm PST by
MacBook Pro availability is tightening on Apple's online store, with select configurations facing up to a two-month delivery timeframe in the United States. A few 14-inch and 16-inch MacBook Pro configurations with an M4 Pro chip are not facing any shipping delay, but estimated delivery dates for many configurations with an M4 Max chip range from February 6 to February 24 or even later. At...
Apple Logo Spotlight

Apple Expected to Unveil Five All-New Products This Year

Wednesday January 21, 2026 10:54 am PST by
In addition to updating many of its existing products, Apple is expected to unveil five all-new products this year, including a smart home hub, a Face ID doorbell, a MacBook with an A18 Pro chip, a foldable iPhone, and augmented reality glasses. Below, we have recapped rumored features for each product. Smart Home Hub Apple home hub (concept) Apple's long-rumored smart home hub should...

Top Rated Comments

826317 Avatar
99 months ago
This is why I switched back to Apple's own Mail application..
Score: 37 Votes (Like | Disagree)
reden Avatar
99 months ago
This is real scary and completely irresponsible for Google to allow this.
Score: 30 Votes (Like | Disagree)
macduke Avatar
99 months ago
I'm honestly surprised this isn't exploited more. Consumers are dumb and will grant access to anything.
Score: 23 Votes (Like | Disagree)
jclo Avatar
99 months ago
Thanks for the article, Juli.
Welcome. I don't want to fear monger or defame good email apps who are using this data for legitimate feature purposes like Edison seems to be doing, but read privacy policies and approach all apps like this that potentially have access to swathes of data with caution. Ask questions. Demand answers.
Score: 13 Votes (Like | Disagree)
CrystalQuest76 Avatar
99 months ago
When I was a child I was taught the following:
"Things and services that are free, often come with the highest cost."
Score: 12 Votes (Like | Disagree)
techpr Avatar
99 months ago
This is WHY my primary email is on protonmail.com
Score: 11 Votes (Like | Disagree)