diff --git a/src/configure.rs b/src/configure.rs
index 8610e97dc..82403a76a 100644
--- a/src/configure.rs
+++ b/src/configure.rs
@@ -579,7 +579,7 @@ async fn try_imap_one_param(
 
     let mut imap = match Imap::new(param, socks5_config.clone(), addr, provider_strict_tls, r) {
         Err(err) => {
-            info!(context, "failure: {}", err);
+            info!(context, "failure: {:#}", err);
             return Err(ConfigurationError {
                 config: inf,
                 msg: format!("{:#}", err),
@@ -590,7 +590,7 @@ async fn try_imap_one_param(
 
     match imap.connect(context).await {
         Err(err) => {
-            info!(context, "failure: {}", err);
+            info!(context, "failure: {:#}", err);
             Err(ConfigurationError {
                 config: inf,
                 msg: format!("{:#}", err),