diff --git a/roles/adm_instance/defaults/main.yml b/roles/adm_instance/defaults/main.yml
index 38c978876978d3be4b32af099df34ac9935d1702..3e5ab80d723807a4b6a829aa0950c88c1fdd1c7b 100644
--- a/roles/adm_instance/defaults/main.yml
+++ b/roles/adm_instance/defaults/main.yml
@@ -3,8 +3,8 @@
   # mail default parameters
   #
   mail_protocol: smtp
-  mail_secure: tls
-  mail_auth: true
+  mail_port: 465
+  mail_secure: PHPMailer::ENCRYPTION_SMTPS
   mail_host: ''
   mail_username: ''
   mail_password: ''
@@ -26,4 +26,4 @@
   mercanet_response_files: [
     'm_call_response.php', 
     'm_call_autoresponse.php'
-    ]
\ No newline at end of file
+    ]
diff --git a/roles/adm_instance/templates/config.env.inc.j2 b/roles/adm_instance/templates/config.env.inc.j2
index 09facd4bd983db8fe141777640bce8ca4ff5583b..944af8c578c5073db34e820fb5b8f307e1d72cfd 100644
--- a/roles/adm_instance/templates/config.env.inc.j2
+++ b/roles/adm_instance/templates/config.env.inc.j2
@@ -3,9 +3,10 @@ $site_url = 'https://{{ app_domain }}';
 
 function setSendingParams($mail) {
   $mail->Mailer   = '{{ mail_protocol | default() }}';
-  $mail->SMTPSecure = '{{ mail_secure | default() }}';
+  $mail->SMTPSecure = {{ mail_secure | default() }};
   $mail->Host     = '{{ mail_host | default() }}';
-  $mail->SMTPAuth = {{ mail_auth | default() }};
+  $mail->SMTPAuth = true;
+  $mail->Port     = {{ mail_port | default() }};
   $mail->Username = '{{ mail_username | default() }}';
   $mail->Password = '{{ mail_password | default() }}';
 }