diff --git a/src/endpoint.rs b/src/endpoint.rs
index 348513e..48bec16 100644
--- a/src/endpoint.rs
+++ b/src/endpoint.rs
@@ -120,7 +120,7 @@ impl<'a> Endpoint<'a> {
 
         let public_key = PublicKey::from_pem(remote_actor.public_key.pem.as_bytes())?;
         if ! (self.signature.verify(&public_key)?) {
-            return Err(Error::SignatureFail);
+            return Err(Error::SignatureFail(self.remote_actor_uri.clone()));
         }
 
         Ok(remote_actor)
diff --git a/src/error.rs b/src/error.rs
index 639d83d..9fdcbcd 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -9,7 +9,7 @@ pub enum Error {
     #[error("Signature error")]
     Signature(#[from] Arc<sigh::Error>),
     #[error("Signature verification failure")]
-    SignatureFail,
+    SignatureFail(String),
     #[error("HTTP request error")]
     HttpReq(#[from] Arc<http::Error>),
     #[error("HTTP client error")]
diff --git a/src/main.rs b/src/main.rs
index 0f1b3a6..6174cec 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -138,6 +138,7 @@ async fn post_relay(
         Ok(remote_actor) => remote_actor,
         Err(e) => {
             track_request("POST", "relay", "bad_actor");
+            tracing::error!("post_relay bad actor: {e:?}");
             return (
                 StatusCode::BAD_REQUEST,
                 format!("Bad actor: {:?}", e)
@@ -160,6 +161,7 @@ async fn post_relay(
         Ok(action) => action,
         Err(e) => {
             track_request("POST", "relay", "bad_action");
+            tracing::error!("post_relay bad action: {e:?}");
             return (
                 StatusCode::BAD_REQUEST,
                 format!("Bad action: {:?}", e)
diff --git a/src/send.rs b/src/send.rs
index 2e2aeb4..7bb0802 100644
--- a/src/send.rs
+++ b/src/send.rs
@@ -55,7 +55,6 @@ pub async fn send_raw(
         Ok(())
     } else {
         histogram!("relay_http_response_duration", t3 - t2, "res" => "err", "host" => host);
-        tracing::error!("send_raw {} response HTTP {}", url, res.status());
         let response = res.text().await?;
         Err(Error::Response(response))
     }