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HyperSEND — 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
5s-m.com ↗	64 match 1 shared topics	5$TAR Mailer	en	email	robotsllmsaihumans	emailphone	partial · 5
massemailapp.com ↗	64 match 1 shared topics	Mass Email \| Bulk Email Sender App	en	email WordPress	robotsllmsaihumans	emailphone	none
me-mail.net ↗	63 match 1 shared topics	MeMail \| Personal and Professional Email Address Accounts with Personality — MeMail.com	en	email	robotsllmsaihumans	emailphone	none
me-mail.org ↗	63 match 1 shared topics	MeMail \| Personal and Professional Email Address Accounts with Personality — MeMail.com	en	email	robotsllmsaihumans	emailphone	none
senders.co ↗	63 match 1 shared topics	Senders - Email Deliverability Services	Colombia en	email	robots llmsaihumans	emailphone	none
galtcoms.com ↗	63 match 1 shared topics	GaltComs - Keep it Smart	en	email	robotsllmsaihumans	emailphone	none
simplesendr.com ↗	63 match 1 shared topics	SimpleSendr - Lightweight HTML Email Testing for Modern Teams	en	email	robotsllmsaihumans	emailphone	none
addtosenders.com ↗	63 match 1 shared topics	Add to Safe Senders List	en	email WordPress	robotsllmsaihumans	emailphone	none
simplysend.dev ↗	62 match 1 shared topics	Simply Send \| Email Infrastructure for Builders	en	email	robotsllmsaihumans	emailphone	none
2ndgmail.com ↗	62 match 1 shared topics	2ndgmail - Secure, Fast, and Mobile-Friendly Email Management	en	email	robotsllmsaihumans	emailphone	none
outboxr.dev ↗	62 match 1 shared topics	outboxr.dev · the open hyperintelligent email network	en	email	robotsllmsaihumans	emailphone	none
sky-smtp.com ↗	62 match 1 shared topics	SkySMTP - Cheap Bulletproof SMTP Inbox	en	email WordPress WooCommerce	robotsllmsaihumans	emailphone	partial · 8
silvercrestvale.com ↗	62 match 1 shared topics	sending.ac \| Cold Email Infrastructure on Azure - $0.44	en	email	robotsllmsaihumans	emailphone	none
bounceshift.com ↗	62 match 1 shared topics	BounceShift - Email Validation That Protects Your Sender Reputation	en	email	robotsllmsaihumans	emailphone	none
boxesthatwork.com ↗	62 match 1 shared topics	sending.ac \| Cold Email Infrastructure on Azure - $0.44	en	email	robotsllmsaihumans	emailphone	none
theyneedinfra.com ↗	62 match 1 shared topics	sending.ac \| Cold Email Infrastructure on Azure - $0.44	en	email	robotsllmsaihumans	emailphone	none
alinto.com ↗	62 match 1 shared topics	Alinto - Email Solutions Provider	en	email WordPress	robotsllmsaihumans	emailphone	none
ahasend.com ↗	62 match 1 shared topics	AhaSend - Transactional Email that is Delightfully Boring	en	email Drupal	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.