diff --git a/README.md b/README.md
index 5e488448..0c5991c7 100644
--- a/README.md
+++ b/README.md
@@ -559,7 +559,7 @@ Table of Contents
   * [Contact.do](https://contact.do/) — Contact form in a link (bitly for contact forms) - totally free!
   * [debugmail.io](https://debugmail.io/) — Easy to use testing mail server for developers
   * [elasticemail.com](https://elasticemail.com) — 100 free emails/day. 1,000 emails for $0.09 through API (pay as you go).
-  * [forwardemail.net](https://forwardemail.net) — Free email forwarding for custom domains. Create and forward an unlimited amount of email addresses with your domain name.
+  * [forwardemail.net](https://forwardemail.net) — Free email forwarding for custom domains. Create and forward an unlimited amount of email addresses with your domain name (**note**: You must pay if you use .casa, .cf, .click, .email, .fit, .ga, .gdn, .gq, .loan, .london, .men, .ml, .pl, .rest, .ru, .tk, .top, .work TLDs due to spam)
   * [ImprovMX](https://improvmx.com) – Free email forwarding
   * [inumbo.com](http://inumbo.com/) — SMTP based spam filter, free for 10 users
   * [kickbox.io](https://kickbox.io/) — Verify 100 emails free, real-time API available