Mail-Tester

Test your emails for spam score and configuration problems

Online email testing service. Send an email to a generated testing address and receive a score with a diagnostic report covering content analysis, email authentication (SPF, DKIM, DMARC), sending infrastructure, blocklist status, and broken links. Also offers an SPF/DKIM checker, a JSON API, and iframe integration.

Category: Email & messaging
Pricing: freemium
Free tier: yes
API: yes
MCP server: no
SDK: no
Open source: no

#email #spam-testing #deliverability #spf #dkim

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Listed 2026-10-22 · last verified 2026-10-22 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.9

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API

curl https://toolgrep.com/api/products/mail-tester