diff --git a/DOCS.md b/DOCS.md
index bec9431..f0a5476 100644
--- a/DOCS.md
+++ b/DOCS.md
@@ -12,7 +12,7 @@ url: https://gitnet.fr/deblan/woodpecker-email
 ## Settings
 
 | Settings Name   | Required | Type               | Description                                                         | Documentation                                                                      |
-| ---             | ---      | ---                | ---                                                                 | ---                                                                                |
+| --------------- | -------- | ------------------ | ------------------------------------------------------------------- | ---------------------------------------------------------------------------------- |
 | dsn             | yes      | `string`           | Mail transport configuration                                        | [Documentation](https://symfony.com/doc/current/mailer.html#tls-peer-verification) |
 | from.address    | yes      | `string`           | Email address of the sender                                         |                                                                                    |
 | from.name       | no       | `string`           | Name of the sender                                                  |                                                                                    |
@@ -23,15 +23,12 @@ url: https://gitnet.fr/deblan/woodpecker-email
 | attachments     | no       | `string` or `list` | List of files to attach                                             | YAML list or comma separated list                                                  |
 | debug           | no       | `boolean`          | Debug mode (email are sent!)                                        |                                                                                    |
 
-
-
 ### Example
 
-
 ```
 steps:
   mail:
-    image: deblan/woodpecker-email-php
+    image: deblan/woodpecker-email
     settings:
       dsn: "smtp://username:password@mail.example.com:587?verify_peer=1"
       from:
@@ -52,14 +49,12 @@ steps:
         - log/*
 ```
 
-
 ### Evaluation and content
 
 See the [Twig documentation](https://twig.symfony.com/doc/3.x/).
 
-
 | Variable                      | Value                            |
-| ---                           | ---                              |
+| ----------------------------- | -------------------------------- |
 | `workspace`                   | `CI_WORKSPACE`                   |
 | `repo.full_name`              | `CI_REPO`                        |
 | `repo.owner`                  | `CI_REPO_OWNER`                  |
diff --git a/bin/console b/bin/console
index a9848e9..8930d0f 100755
--- a/bin/console
+++ b/bin/console
@@ -9,6 +9,7 @@ use Plugin\Loader\EnvVarLoader;
 use Plugin\Pipeline\Evaluation;
 use Symfony\Component\Mailer\Exception\TransportException;
 use Twig\Error\SyntaxError;
+use Symfony\Component\Mime\Exception\RfcComplianceException;
 
 $build = EnvVarLoader::buildArray([
     'workspace' => 'CI_WORKSPACE',
@@ -102,13 +103,23 @@ function writeln(...$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);
 }
 
@@ -116,11 +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),
+        '=====',
     );
 }
 
@@ -140,9 +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, $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
diff --git a/src/Factory/TwigFactory.php b/src/Factory/TwigFactory.php
index a5b16ca..7d176b2 100644
--- a/src/Factory/TwigFactory.php
+++ b/src/Factory/TwigFactory.php
@@ -3,9 +3,9 @@
 namespace Plugin\Factory;
 
 use Twig\Environment;
-use Twig\Loader\FilesystemLoader;
-use Twig\Extension\StringLoaderExtension;
 use Twig\Extension\DebugExtension;
+use Twig\Extension\StringLoaderExtension;
+use Twig\Loader\FilesystemLoader;
 
 class TwigFactory
 {
diff --git a/src/Loader/functions.php b/src/Loader/functions.php
index ac2f2db..7e74f28 100644
--- a/src/Loader/functions.php
+++ b/src/Loader/functions.php
@@ -12,7 +12,7 @@ function loadEnVars(array $map, array $defaults = [])
         } else {
             $data = getenv($value);
 
-            if ($data === false) {
+            if (false === $data) {
                 $data = $defaults[$value] ?? null;
             }