diff --git a/public/writings/a-simple-solution-to-spam.html b/public/writings/a-simple-solution-to-spam.html
index 78bed9a..5ee981b 100644
--- a/public/writings/a-simple-solution-to-spam.html
+++ b/public/writings/a-simple-solution-to-spam.html
@@ -126,7 +126,8 @@
             </p>
             <p>If you want to look more into it, here are some interesting resources:</p>
             <ul>
-                <li><a href="https://www.reacher.me/">https://www.reacher.me/</li></a>
+                <li><a href="https://www.reacher.me/">reacher.me</li></a>, a service promoted by Strike to
+                do exactly what I describe here. Unfortunately, you must be a Strike customer to access the service.
                 <li><a href="https://blog.lopp.net/how-to-create-bitcoin-email-paywall-with-btcpay/">How to Create a
                         Bitcoin/Lightning Email Paywall with BTCPay, by Jameson Lopp</li></a>
                 <li><a href="https://news.earn.com/monetize-your-gmail-inbox-with-21-co-ec1f9687956d">A blogpost