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Mailbox56 alternatives & similar sites

Proton: Privacy by default — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Information And Network Security →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
marmels.ch ↗	100 match 1 shared topics	Proton: Privacy by default	Switzerland en	information-and-network-security	robotsllmsaihumans	emailphone	none
trutak.com ↗	100 match 1 shared topics	Proton: Privacy by default	en	information-and-network-security	robotsllmsaihumans	emailphone	none
dominik-nieder.com ↗	100 match 1 shared topics	Proton: Privacy by default	en	information-and-network-security	robotsllmsaihumans	emailphone	none
megadownloads.io ↗	69 match 1 shared topics	MEGA: Protect your Online Privacy	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
mega.io ↗	69 match 1 shared topics	MEGA: Protect your Online Privacy	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
360ironwall.com ↗	69 match 1 shared topics	Online Privacy Protection	en	information-and-network-security	robotsllmsaihumans	emailphone	none
trueironwall.com ↗	69 match 1 shared topics	Online Privacy Protection	en	information-and-network-security	robotsllmsaihumans	emailphone	none
360civicteam.com ↗	69 match 1 shared topics	Online Privacy Protection	en	information-and-network-security	robotsllmsaihumans	emailphone	none
abine.com ↗	69 match 1 shared topics	Abine Privacy	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cryptovillage.org ↗	68 match 1 shared topics	Crypto & Privacy Village	en	information-and-network-security Ghost	robotsllmsaihumans	emailphone	none
domainnameprivacyinc.com ↗	68 match 1 shared topics	Domain Name Privacy	en	information-and-network-security	robotsllmsaihumans	emailphone	none
networkmicrosoft.com ↗	68 match 1 shared topics	Cybersecurity and privacy \| NIST	en	information-and-network-security Drupal	robotsllmsaihumans	emailphone	none
guardianless.com ↗	67 match 1 shared topics	Guardianless - Online Privacy and Security	United States~ en	information-and-network-security	robotsllmsaihumans	emailphone	none
risalatnour.com ↗	67 match 1 shared topics	Privacy Policy	en	information-and-network-security	robotsllmsaihumans	emailphone	none
anonymize.center ↗	67 match 1 shared topics	anonymize.center - Privacy Playground	en	information-and-network-security	robots llms aihumans	emailphone	full · 13
netshroud.com ↗	67 match 1 shared topics	NetShroud — Privacy & Security for the AI Era	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
pvcy.org ↗	67 match 1 shared topics	Privacy International	en	information-and-network-security Drupal	robotsllmsaihumans	emailphone	none
domaindataguard.com ↗	67 match 1 shared topics	We Protect Your Privacy	en	information-and-network-security	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.