service/email.md

@@ -35,6 +35,8 @@ send a test email there, and check the results on the website.
 Will check SPF, DKIM, DMARC, Spamassassin, email formatting, list
 unsubscribe, block lists, pretty complete. Has coconut trees.
 
+Limit of 3 per day for free usage, 10EUR/week after.
+
 ### verifier.port25.com
 
 Send an email <check-auth@verifier.port25.com>, will check SPF, DKIM,