Contact.do vs Email Spam Tester

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Contact.do compared with Email Spam Tester
Detail	Contact.do	Email Spam Tester
What it does	Contact form in a link	Test real inbox placement and 42 technical checks with no signup required
Stage	Established	Established
Founded	2018	2026
Based in	Not given	Not given
Pricing model	Not given	freemium
Pricing	Free basic contact links; lifetime custom contact link for $19	Not given
Key features	Automatic email forwarding Email privacy protection Bot and spyware protection Contact link statistics Email unlinking option	Real inbox placement testing in Gmail, Outlook, Yahoo and more 42 technical checks across authentication, infrastructure, content and compliance SPF, DKIM and DMARC verification Blocklist lookup across 20+ DNS blocklists SpamAssassin-compatible spam score Link reputation checking HTML structure analysis Bulk sender rules for Gmail and Yahoo compliance Fix plan with recomputed score for corrections API and MCP server integration options
What makes it different	Share contact link instead of personal email Protects email from bots and spyware No extra email client configuration needed	Two independent spam engine scores instead of one, including Gmail and Yahoo 2024 bulk sender rules Fix plan recomputes points by scoring corrected message rather than estimating No account, signup or credit card required to run tests Built by practitioner with years of live sending infrastructure debugging experience
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	53 no change since last check	18 no change since last check
Trust Flow (Majestic)	30	17
Citation Flow (Majestic)	39	25
Referring domains (Majestic)	107	35

5 details filled in for both companies.

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