Add error msg in case confirmation email fails

Author: everthemore

index.js

@@ -127,7 +127,10 @@ async function handleRequest(request) {
 
         // If we get here, we managed to sign up for the lists
         const sendmailresponse = await sendConfirmationEmail(bodydata.address, bodydata.name, listsToSubscribeTo)
-        return new Response("Successfully signed up for the mailing lists", {status:200, headers:corsHeaders})
+        if( sendmailresponse.status != 200 ) {
+          return new Response("You were signed up, but sending a confirmation email failed.", {status:sendmailresponse.status, headers:corsHeaders})
+        }
+        return new Response("Succesfully subscribed. You will receive a confirmation email.", {status:200, headers:corsHeaders})
       }
     }
   }