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Quantum Mail – E-Mail, Cloud und Ende-zu-Ende Verschlüsselung nach DSGVO – E-Mail, Cloud und Ende-zu-Ende Verschlüsselung nach DSGVO — 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
cryptomails.de ↗	65 match 2 shared topics	Crypto Mails: Verschlüsselte E-Mail für jedermann!	Germany de	email	robotsllmsaihumans	emailphone	none
crypty.org ↗	64 match 2 shared topics	crypty.org - Mails online verschluesseln und entschluesseln	de	email	robotsllmsaihumans	emailphone	none
snailmail.at ↗	63 match 2 shared topics	SnailMail – Dein sicherer E-Mail-Dienst aus Österreich	Austria de	email	robotsllmsaihumans	emailphone	none
maileurope.ch ↗	62 match 2 shared topics	Mail Europe Schweiz - Zuverlässige und sichere E-Mail	Switzerland de	information-and-network-security	robots llmsaihumans	emailphone	none
janecki.org ↗	62 match 2 shared topics	Janecki Mail - Sicherer E-Mail Service	de	information-and-network-security	robotsllmsaihumans	emailphone	none
secumail.at ↗	61 match 2 shared topics	E-Mail Security - Made in Bavaria - SecuMail®	Austria de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
secu-mail.at ↗	61 match 2 shared topics	E-Mail Security - Made in Bavaria - SecuMail®	Austria de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
unbox.at ↗	61 match 2 shared topics	Anonymous Email Forwarding - unbox.at	Austria de	information-and-network-security	robotsllmsaihumans	emailphone	none
5geschenkt.com ↗	60 match 2 shared topics	Domain Check: Kostenlos, schnell & mit Top-Service	de	email WordPress	robotsllmsaihumans	emailphone	none
qup.at ↗	60 match 2 shared topics	Startseite	Austria de	email	robotsllmsaihumans	emailphone	none
cryptme.de ↗	60 match 2 shared topics	cryptme.de - secure communication service	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
deutsche-p0st.de ↗	40 match 2 shared topics	sichere.aipi.email	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
netzlaufwerk.com ↗	36 match 1 shared topics	Netzlaufwerk - Sicherer Dateitransfer mit Ende-zu-Ende-Verschlüsselung	Germany~ de	information-and-network-security	robotsllmsaihumans	emailphone	none
schluesseltresor.at ↗	34 match 1 shared topics	Einfache Schlüsselverwaltung und Schlüsselaufbewahrung	Austria de	information-and-network-security Shopware	robotsllmsaihumans	email phone	none
pdwatch.at ↗	34 match 1 shared topics	PDWatch: Endpoint Encryption - Verschlüsselung vertraulicher Daten	Austria de	information-and-network-security	robotsllmsaihumans	emailphone	none
crypted-group-share.de ↗	34 match 1 shared topics	HiCrypt Verschlüsselungssoftware - digitronic	Germany de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
mecloud.biz ↗	34 match 1 shared topics	GMX - kostenlose E-Mail, Cloud, Nachrichten & Freemail	de	email	robotsllmsaihumans	emailphone	none
mail-online.ch ↗	34 match 1 shared topics	GMX - kostenlose E-Mail, Cloud, Nachrichten & Freemail	Switzerland de	email	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.