DuckDuckGo Email Protection vs Mail-in-a-Box
In short: Mail-in-a-Box wins on privacy, DuckDuckGo Email Protection wins on price, and they tie on features. The full comparison is below, last checked 25 October 2026.
Should you pick DuckDuckGo Email Protection or Mail-in-a-Box?
- Mail-in-a-Box is the better pick if you want a provider with no advertising business behind it; an address on your own domain; and the choice of any mail app over IMAP.
| Feature | DuckDuckGo Email Protection | Mail-in-a-Box |
|---|---|---|
| Overall | 2.0 | Not rated |
| Privacy | 0.0 | Not rated |
| Price | 5.0 | Not rated |
| Features | Not rated | Not rated |
| Cheapest plan | Free Free | Open source Free |
| Free plan | Yes, unlimited @duck.com aliases | Yes, open source |
| Storage | Forwards only | Not confirmed |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United States | United States |
| Your data is kept in | United States | Your own server |
| Founded | 2021 | 2013 |
| Free trial | Free | Free to download |
| Funded by advertising | Yes, or its parent company is | No |
| Works in any mail app | No, its own apps only | ✓ IMAP and SMTP |
| Calendar and contacts | No | ✓ Yes |
| Aliases | Unlimited aliases | Yes |
| Open-source apps | No | ✓ Yes |
| Sign up without ID | No | No |
| White label | No | No |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
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Where they differ
- For free, DuckDuckGo Email Protection gives you a free plan (unlimited @duck.com aliases), and Mail-in-a-Box a free plan (open source).
- DuckDuckGo Email Protection comes with no storage, as it forwards mail on and Mail-in-a-Box with storage not confirmed.
- DuckDuckGo Email Protection keeps your mail in the United States, while Mail-in-a-Box keeps it in Your own server.
- Mail-in-a-Box lets you bring your own domain name; DuckDuckGo Email Protection doesn't.
- DuckDuckGo Email Protection only works in its own apps, and Mail-in-a-Box works in any mail app over IMAP.
- Only DuckDuckGo Email Protection is part of an advertising business.
- For extra addresses, DuckDuckGo Email Protection has unlimited aliases and Mail-in-a-Box has yes.
Questions people ask
Do DuckDuckGo Email Protection and Mail-in-a-Box work with my own domain?
Only Mail-in-a-Box does (Yes). With DuckDuckGo Email Protection your address stays on its own domain.
Where do DuckDuckGo Email Protection and Mail-in-a-Box keep my email?
DuckDuckGo Email Protection keeps it in the United States. Mail-in-a-Box keeps it in Your own server.
Do DuckDuckGo Email Protection and Mail-in-a-Box work in other mail apps?
DuckDuckGo Email Protection only works in its own apps. Mail-in-a-Box works in any mail app over IMAP.
Prices and the latest news
I haven't seen either change its price since I started checking on 25 October 2026.
The latest headlines: DuckDuckGo Email Protection news · Mail-in-a-Box news.
Alternatives to DuckDuckGo Email Protection and Mail-in-a-Box
DuckDuckGo Email Protection vs mailbox.org · Mail-in-a-Box vs mailbox.org · DuckDuckGo Email Protection vs Posteo · Mail-in-a-Box vs Posteo · DuckDuckGo Email Protection vs Proton Mail · Mail-in-a-Box vs Proton Mail
Moving your email
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.