StartMail Read Receipts: Does StartMail Track Your Email?

StartMail read receipts do not exist, and that is on purpose. StartMail, the Dutch private email service started by the founders of the Startpage search engine, will not send a read receipt when a sender asks for one, and it will not let you ask for one either, because, in its own words, the feature "is considered a form of tracking." Its webmail also hides images hosted on outside servers until you click Show Images, which keeps most tracking pixels from firing. So does StartMail track your email? We found no feature that tells senders, or StartMail, when you read a message. We did find gaps: no image proxy, no cleaning of tracked links, and a 2020 privacy policy that disagrees with the current help center about one image setting. We read StartMail's help center, privacy policy, transparency report and feature pages, and checked its DNS, on October 14, 2026.

Key Takeaways

• StartMail's read receipts page, posted July 6, 2020, says it does not send read receipts for incoming messages that request them and is against adding the feature for outgoing mail.
• StartMail webmail hides external images by default, and its help center warns that once you click Show Images, the sender can potentially track that you opened the email.
• StartMail documents no image proxy and no removal of tracking parameters from links; it shows a warning with the full web address when you click an external link.
• StartMail's transparency report lists 3 Dutch legal orders in 2025, and in 2 of them StartMail shared secondary information such as account dates, alias addresses created and limited payment details.
• System1 and its subsidiary Privacy One Group, which Privacy Guides reported in 2019 had taken over Startpage at least in part, did not invest in and do not own StartMail, according to StartMail's help center.

Does StartMail Have Read Receipts?

No, StartMail does not support read receipts in either direction. Its read receipts explainer gives three reasons:

• Reliability: "There's no way to know beforehand if the read receipt feature is supported by your recipient or not."
• Meaning: "There is no defined standard action for the trigger of a read receipt."
• Privacy: "At StartMail, we value your privacy, so we don't support sending back these read receipt notifications for incoming messages that request them."

The page then closes the other door: "Because we're blocking this read receipt function for incoming emails, we also are against adding this feature to StartMail for your outgoing emails." That makes StartMail stricter than Mailfence, which our Mailfence read receipts review found lets senders request a receipt and lets recipients click Yes or No. StartMail gives you no button to click at all.

Read Receipt or Tracking Pixel: Which One Can You Refuse?

You can always refuse a read receipt, but a tracking pixel never asks. A read receipt is a request sitting in the message header. The standard behind it, RFC 8098, says a Disposition-Notification-To header "is merely a request" and that mail programs "are always free to silently ignore such a request." StartMail's page links to the same RFC.

A tracking pixel is a tiny image stored on the sender's server. When your mail program downloads it, the sender's server logs the request. StartMail's own page names the workaround: "Many marketeers found their way around this by trying to load specific tracking images inside of their emails. This is one of the reasons StartMail doesn't load external images by default." The image setting is the one that matters.

Does StartMail Block Tracking Pixels?

Yes, by hiding every external image until you allow it, not by spotting trackers. StartMail's features page says: "By default we hide senders' external images. You have the option to display images from trusted senders." The External images help article, updated August 26, 2026, describes the flow:

• The warning: StartMail warns you every time you open an email that contains external images, and you must click Show Images to load them.
• The cost of clicking: "By clicking this, it means the sender can potentially track that you've opened the email."
• No global switch in webmail: "It's currently not possible to always show images on all emails." You can only turn on images for a specific contact, in that contact's preferences.
• The mobile app: StartMail's app vs webmail comparison lists a Remote images setting in the app to "choose whether externally hosted images are loaded automatically." It does not state the default.

One document disagrees. StartMail's privacy policy, last modified September 24, 2020, says StartMail "prevents any remote content to be loaded automatically" and adds that it is possible to choose to always load such content in Settings. The 2026 help article says that option does not exist for all emails. Both agree on the default, which is the part that protects you.

Does StartMail Hide Your IP Address When You Load Images?

We found no evidence that it does. StartMail's help center, features page, privacy policy and technical white paper never mention an image proxy, and the External images article frames Show Images as the moment the sender can track you. Compare Fastmail, whose remote images help page says "our servers always proxy the images," so the sender only learns about Fastmail's hosts.

We also checked DNS on October 14, 2026. The names proxy.startmail.com, images.startmail.com, img.startmail.com, link.startmail.com and click.startmail.com all returned NXDOMAIN, the same answer as our nonsense control, qz7xkw9-nonsense.startmail.com. So StartMail runs no wildcard DNS and none of those names exist. A proxy could sit under another name, so this check is consistent with the documentation but proves no negative.

Does StartMail Strip Tracking Links?

No, StartMail warns you about links but does not clean them. Its features page promises that "We'll warn you if you click on an external link and show you the full web address, so you can decide whether to proceed or not." The External links help article adds that the site you land on "could potentially add cookies to your browser, or collect your personal information (IP address, browser info, etc.)" and shows how to switch the warning off.

Proton goes further: its tracker protection page says the web app removes known UTM and other tracking parameters from links, though our Proton Mail review found it left Mailchimp and SendGrid style redirects in place.

How Do StartMail Aliases Limit Tracking?

Aliases stop senders from linking your activity to one address, but they do nothing about the images inside a message. StartMail's aliases page says "every StartMail account comes with an unlimited number of email alias addresses." The Alias Types article describes three kinds:

• Personal and quick aliases end in @use.startmail.com and can send and receive. If one leaks, you can deactivate it, and senders get a bounce.
• Burner aliases are created with one click and deleted automatically after one hour. They cannot send, and only one can be active at a time.
• Domain aliases use your own domain and are managed through the Group Subscription Manager.

StartMail's alias guide argues that "companies are increasingly using email addresses to monitor user activity across websites." A unique alias per shop or newsletter means two companies comparing customer lists cannot match you on the same address. Two limits apply. StartMail says it is not possible to send encrypted email from an alias. And a pixel in a newsletter sent to an alias still fires if you click Show Images, because the alias changes the address, not the message.

Does StartMail Track You Itself?

StartMail says it does not track you for advertising, and its policy lists the limited data it does keep. The privacy policy states: "StartMail does not collect or share any data with a third party for advertisement or tracking purposes within its application." The rest of the picture:

• Mail logs: StartMail keeps 7 days of logs, including remote mail server IP addresses and SMTP sender and recipient addresses.
• Website analytics: a self hosted Matomo instance. The cookies article says Matomo sets a persistent _pk_id cookie on the homepage to identify return visitors, and that StartMail honors the browser's Do Not Track header.
• Outside scripts: the webmail itself is "fully independent and free of external scripts," but the Chargebee payment portal uses hCaptcha, the support form uses Google's reCaptcha through Zendesk, and the VAT check uses Google's Maps API.
• Header stripping: when you send mail, StartMail removes your IP address and email client details from the headers.
• Deletion: a deleted email stays in an encrypted backup for at most three days.

Who Owns StartMail, and Who Can Get Your Data?

StartMail B.V., a privately held Dutch company, owns and runs it, and StartMail says it processes data requests only when they come through Dutch judicial authorities. StartMail's About page says Robert E.G. Beens and David Bodnick, the creators of Startpage, launched StartMail's public beta in 2013, and that its headquarters and servers are in the Netherlands, under the GDPR. When we resolved mail.startmail.com, it pointed to two addresses on a network that the RIPE database registers in the Netherlands.

The Startpage link causes confusion. In November 2019, Privacy Guides reported that Startpage had reportedly been taken over, at least in part, by Privacy One Group, which is owned by the pay per click advertising company System1. StartMail's help center answer is blunt: "System1/Privacy One Group did not invest in/does not own StartMail." The two companies share founders, not owners.

The transparency report, dated February 4, 2026, lists 3 requests for 2025. In one, no information could be shared. In two, StartMail shared "secondary information," which it defines as account start and end dates, "alias addresses created," and limited payment information. The report says StartMail rejects requests from foreign law enforcement unless they come through Dutch authorities.

The scale is tiny: Proton's own transparency report, as our Proton review shows, counted 9,301 legal orders for Proton Mail in 2025, and Mailfence counted 21 identification requests in the second half of 2025 alone. And the data handed over includes your list of aliases. An alias hides you from the companies you sign up with. It does not hide you from a valid Dutch court order. Journalists who use burner aliases to sign up for sources' services should plan around that.

How Does StartMail Compare With Other Private Email Services?

StartMail sits in the middle: strict on read receipts, ordinary on images, and behind on proxies and link cleaning. Here is how its documented defaults compare:

• Proton Mail: its tracker protection page says it blocks known trackers and preloads other remote images "using a proxy with a generic IP address and geolocation." Read receipts are manual.
• Tuta: blocks external content by default but, per our Tuta review, has no image proxy and no read receipt code. The closest match to StartMail.
• Mailfence: hides external images and asks you before sending a read receipt. No proxy.
• Fastmail: its read receipts page says the interface "does not respond to requests for read receipts," and it proxies every remote image.
• Posteo: its help center says automatic loading of images from the internet is deactivated in the webmail "in order to protect your privacy."
• HEY: its spy tracker page says it strips known spy pixel patterns and is "confident we'll catch 98% of all the tracking that's happening out there."

If a hidden IP address after you load images matters to you, Fastmail and Proton document a proxy and StartMail does not. If you want a provider that never sends a read receipt, StartMail, Tuta and Fastmail all qualify, and StartMail and Tuta don't let you request one either.

What This Means If You Also Use Gmail

StartMail's protections stop at StartMail. StartMail's server settings article says it supports IMAP on imap.startmail.com, port 993, but not POP3, and Google's notice on POP fetching says that "after the first quarter of 2026, this feature no longer supports new users." The Gmail side needs its own protection.

Gmail does the opposite of StartMail by default. Google's image settings page says that when you get an email with an image, you'll see it automatically, and it admits: "Sometimes, senders may know whether you've opened an email that has an image." Google's read receipt help page says read receipts don't work with personal @gmail.com accounts, so in Gmail, as in StartMail, the pixel is the real threat.

How to Block Read Receipts and Trackers in StartMail and Gmail

In StartMail, read receipts are already off for good. These steps close the gaps its help center leaves open:

1. Leave Show Images alone on marketing mail. Load images only for people you know, and don't turn on always show images for retail or newsletter contacts.
2. Check the app. In the StartMail app, open the Remote images setting and make sure externally hosted images are not loaded automatically.
3. Keep the link warning on. Leave Always warn me when clicking an external link switched on in Mail settings, and read the full address before you continue.
4. Give each sender its own alias. Use personal aliases for accounts you keep and burner aliases for one time signups.
5. Check desktop programs. If you read StartMail over IMAP, set that program to block remote content and to ask before sending return receipts.

In Gmail, you have three options. Our guide on how to block email tracking in Gmail covers each one in detail.

• Gmail's own setting: choose Ask before displaying external images. It works like StartMail, hiding every image, wanted or not.
• Gblock: a paid browser extension for Gmail on desktop, with a 30 day free trial. It blocks known tracking pixels with a blocklist that updates automatically, can strip tracking from links, and leaves ordinary images alone. It works only inside Gmail, not in StartMail's webmail or app.
• Ugly Email, PixelBlock and Trocker: other Gmail extensions aimed at the same pixels, with different blocklists and pricing.

What We Could Not Verify

We did not open a StartMail account, so everything above comes from StartMail's published documentation and our DNS checks, not from a hands on test. We could not confirm the default of the app's Remote images setting, whether StartMail's own newsletter counts opens, or which of the two conflicting descriptions of the always show images option is current. StartMail calls itself privately held but does not publish its shareholders, so we can confirm only its statement that System1 does not own it.