From 2994b0289a2b510ea1c31b9d7af8901235c859f2 Mon Sep 17 00:00:00 2001
From: Serg Tanichev <328659248+serg-tanichev@users.noreply.github.com>
Date: Mon, 21 Sep 2026 20:59:24 +0200
Subject: [PATCH] Add Email Spam Tester

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 8b1ad63d..64c50769 100644
--- a/README.md
+++ b/README.md
@@ -888,6 +888,7 @@ This list results from Pull Requests, reviews, ideas, and work done by 1600+ peo
   * [debugmail.io](https://debugmail.io/) - Easy to use testing mail server for developers
   * [dkimvalidator.com](https://dkimvalidator.com/) - Test if the email's DNS/SPF/DKIM/DMARC settings are correct, free service by roundsphere.com
   * [DNSExit](https://dnsexit.com/) - Up to 2 Email addresses under your domain for free with 100MB of storage space. IMAP, POP3, SMTP, SPF/DKIM support.
+  * [Email Spam Tester](https://email-spam-tester.com/) - Tests the technical part, content, link authority and overall score of your email. Also tests where your email will land: inbox, spam or promotions. Inbox tests on Gmail, GMX, Yahoo, AOL and other email providers. Free to use, no card or registration required. Also works via API and MCP.
   * [EmailGuard](https://emailguard.lazrek.com/) - Block disposable emails, catch typos, and validate MX records via a simple API. 100 free requests/month.
   * [EmailJS](https://www.emailjs.com/) - This is not an entire email server; this is just an email client that you can use to send emails right from the client without exposing your credentials, the free tier has 200 monthly requests, 2 email templates, Requests up to 50Kb, Limited contacts history.
   * [EmailLabs.io](https://emaillabs.io/en) - Send up to 9,000 Emails for free every month, up to 300 emails daily.