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Postmarkly - Send Real Mail Online—With Proof — 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 Email →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
efimeralmail.com ↗	66 match 1 shared topics	Efimeral Mail	en	email WordPress	robotsllmsaihumans	emailphone	none
pictamail.com ↗	66 match 1 shared topics	Digital Mailbox - Manage Mail Delivery Online - Pictamail	en	email WordPress WooCommerce	robotsllmsaihumans	emailphone	none
turainvite.com ↗	65 match 1 shared topics	TuraInvite - Send invite emails via API	en	email	robotsllmsaihumans	emailphone	partial · 6
chii-agency.com ↗	65 match 1 shared topics	Chii Agency - Email Marketing	en	email	robotsllmsaihumans	emailphone	none
shajbo.com ↗	65 match 1 shared topics	AOL Mail	en	email	robotsllmsaihumans	emailphone	none
mimevalidator.net ↗	65 match 1 shared topics	Free Online MIME Email Validator	en	email	robotsllmsaihumans	emailphone	none
petalmail.app ↗	64 match 1 shared topics	Petal Mail: Email That Works for You	en	email	robotsllmsaihumans	emailphone	partial · 8
8s.io ↗	64 match 1 shared topics	8s - Professional email on your domain	en	email	robotsllmsaihumans	emailphone	none
vandeneedenhipclinic.be ↗	64 match 1 shared topics	Postmaster Information for Keurig Online	Belgium en	email	robotsllmsaihumans	emailphone	none
phantomdigital.io ↗	64 match 1 shared topics	Phantom Digital Mailbox Service	en	email	robotsllmsaihumans	emailphone	none
filebucket.co.uk ↗	64 match 1 shared topics	Send large files by email with FileBucket	United Kingdom en	email WordPress	robotsllmsaihumans	emailphone	none
reachmail.net ↗	64 match 1 shared topics	Email Marketing Services \| Email Marketing Software \| ReachMail	United States~ en	email	robotsllmsaihumans	email phone	none
reachmail.info ↗	64 match 1 shared topics	Email Marketing Services \| Email Marketing Software \| ReachMail	United States~ en	email	robotsllmsaihumans	email phone	none
meetconsltek.org ↗	64 match 1 shared topics	Cold Email Mailboxes from €0.30 \| Frostmailer	en	email	robotsllmsaihumans	emailphone	none
emailtrends.co.uk ↗	64 match 1 shared topics	email trends :: RealSender	United Kingdom en	email	robotsllmsaihumans	emailphone	none
efindemail.com ↗	64 match 1 shared topics	eFind Mail	en	email	robotsllmsaihumans	emailphone	none
efindmail.com ↗	64 match 1 shared topics	eFind Mail	en	email	robotsllmsaihumans	emailphone	none
2ndgmail.com ↗	64 match 1 shared topics	2ndgmail - Secure, Fast, and Mobile-Friendly Email Management	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.