diff --git a/bin/console b/bin/console
index fe7541d..8930d0f 100755
--- a/bin/console
+++ b/bin/console
@@ -103,13 +103,23 @@ function writeln(...$values)
     }
 }
 
-function handleError($section, Exception $e)
+function handleError($section, Exception $e, bool $debug)
 {
     writeln(
         sprintf('ERROR - %s', $section),
         $e->getMessage()
     );
 
+    if ($debug) {
+        writeln(
+            "",
+            "Trace",
+            "=====",
+            json_encode($e->getTrace(), JSON_PRETTY_PRINT),
+            "=====",
+        );
+    }
+
     exit(1);
 }
 
@@ -117,11 +127,8 @@ if ($config['is_debug']) {
     writeln(
         'Debug',
         '=====',
-        'Config',
-        json_encode($config, JSON_PRETTY_PRINT),
-        'Environment',
-        json_encode($_SERVER, JSON_PRETTY_PRINT),
-        '====='
+        json_encode(['config' => $config, 'environment' => $_SERVER], JSON_PRETTY_PRINT),
+        '=====',
     );
 }
 
@@ -141,11 +148,11 @@ try {
         writeln('Email sent!');
     }
 } catch (SyntaxError $e) {
-    handleError('Syntax error', $e);
+    handleError('Syntax error', $e, $config['is_debug']);
 } catch (TransportException $e) {
-    handleError('Transport error', $e);
+    handleError('Transport error', $e, $config['is_debug']);
 } catch (RfcComplianceException $e) {
-    handleError('RFC compliance error', $e);
+    handleError('RFC compliance error', $e, $config['is_debug']);
 } catch (\Exception $e) {
-    handleError('Generic error', $e);
+    handleError('Generic error', $e, $config['is_debug']);
 }
diff --git a/src/Factory/EmailFactory.php b/src/Factory/EmailFactory.php
index 59b6c62..e55a206 100644
--- a/src/Factory/EmailFactory.php
+++ b/src/Factory/EmailFactory.php
@@ -21,7 +21,7 @@ class EmailFactory
 
     public function createMailer(): Mailer
     {
-        return new Mailer(Transport::fromDsn($this->config['dsn']));
+        return new Mailer(Transport::fromDsn((string) $this->config['dsn']));
     }
 
     public function createEmail(): Email