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OMails - Professional Email Solutions — 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
guardedmailbox.com ↗	71 match 2 shared topics	Guarded Mail Box - Secure Encrypted Email for Professionals	en	information-and-network-security	robotsllmsaihumans	emailphone	none
4securemail.net ↗	70 match 2 shared topics	4SecureMail - Professional Secure Email for Business & Individuals	en	email	robotsllmsaihumans	emailphone	none
4securemail.com ↗	70 match 2 shared topics	4SecureMail - Professional Secure Email for Business & Individuals	en	email	robotsllmsaihumans	emailphone	none
phishtoolbox.com ↗	66 match 2 shared topics	Email Spoof Test	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishingtoolbox.com ↗	66 match 2 shared topics	Email Spoof Test	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishgrade.com ↗	66 match 2 shared topics	Email Spoof Test	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishfacts.com ↗	66 match 2 shared topics	Email Spoof Test	en	information-and-network-security	robotsllmsaihumans	emailphone	none
phishnet.ai ↗	65 match 2 shared topics	PhishNet — Email Security	en	information-and-network-security	robotsllmsaihumans	emailphone	none
checkemailage.com ↗	65 match 2 shared topics	Check Email Age – Instantly Verify Email Authenticity \| 14.6 Billion+ Records	en	information-and-network-security	robotsllmsaihumans	emailphone	none
7rash.com ↗	64 match 2 shared topics	7rash.com — Disposable Email for Privacy & Spam Protection	en	email	robotsllmsaihumans	emailphone	none
guardifix.com ↗	64 match 2 shared topics	Guardifix - Encrypted Email for Modern Teams	en	email	robotsllmsaihumans	emailphone	none
guardmyemail.com ↗	64 match 2 shared topics	Guard My Email - Free Email Scam Detection Service	en	information-and-network-security	robotsllmsaihumans	emailphone	none
kdwillsecurity.com ↗	64 match 2 shared topics	KDWill Security \| Email Deliverability and Authentication	en	email	robotsllmsaihumans	emailphone	none
1sec-mail.com ↗	64 match 2 shared topics	Temp Mail \| Online Disposable Email \| 1SecMail	en	email	robotsllmsaihumans	emailphone	none
phishsight.com ↗	64 match 2 shared topics	PhishSight \| Triage Phishing Emails in Minutes, Not Analyst-Hours	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 5
8shield.net ↗	64 match 2 shared topics	SimpleLogin \| Open source anonymous email service	en	information-and-network-security	robotsllmsaihumans	emailphone	none
tspindler.com ↗	64 match 2 shared topics	SimpleLogin \| Open source anonymous email service	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
keepknown.com ↗	64 match 2 shared topics	KeepKnown \| The Allow-List Email Filter for Gmail & Outlook	en	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.