Email Spam Tester · Office #50,946

What it is

Calls itself “Email Spam Tester”.

• Calls itself: Email Spam Tester

Where it puts itself

Rules out “card” and “signup”. Publishes a comparison page.

• Says it will not: card · signup

“This one gives you a transparent report built on real email authentication, DNS, infrastructure and message checks.”

“No signup, no card, no API key.”

What it costs

A free tier, free forever. No monthly or yearly plan. No one-time option.

• One-time: no
• Monthly: no
• Yearly: no
• Free plan: free forever

“Permanent free tier”

Who it sells to

Sells to developers. Available in 28 languages.

• Sells to: developers
• Languages: 28 languages

“For scripts and agents Run it from a shell, a CI job or an AI agent.”

“Bahasa Indonesia”

How it runs

A API, bot and command-line tool. Hosted in the cloud. Offers an API. Open source. AI is a side feature.

• Kind: api · bot · cli
• Runs where: cloud / hosted
• API: yes
• Open source: yes
• AI role: a side feature

“API documentation every field of the report, and the four free DNS checks as GET endpoints”

“For AI agents a skill page an agent can read, and the MCP server”

What it works with

Integrates with ChatGPT, Mailchimp, WordPress and 2 more.

• Integrates with: ChatGPT · Mailchimp · WordPress · +2

“ChatGPT”

“Mailchimp”

What it offers as proof

Live, no waitlist. Claims “100,000 reports”. Try it without signing up. Publishes docs and a blog.

• Number claimed: 100,000 reports
• Trial asks for: nothing

“No signup, no card.”

“The first 100,000 reports are on me”