diff --git a/conf/config.local.php b/conf/config.local.php
index 99641b6..767fafb 100644
--- a/conf/config.local.php
+++ b/conf/config.local.php
@@ -600,7 +600,7 @@ const SMTP_SECURITY = '__SMTP_SECURITY__';
  * Défaut : null
  */
 
-const MAIL_SENDER = '__MAIL_SENDER__';
+//const MAIL_SENDER = 'associations@monserveur.com';
 
 /**
  * Mot de passe pour l'accès à l'API permettant de gérer les mails d'erreur
diff --git a/config_panel.toml b/config_panel.toml
index 7b42240..7b50b28 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -50,8 +50,3 @@ name.fr = "Configuration SMTP"
         choices.STARTTLS = "STARTTLS, utilisation de STARTTLS (moyennement sécurisé)"
         bind = "SMTP_SECURITY:__INSTALL_DIR__/config.local.php"
 
-    [main.smtp.mail_sender]
-        ask.fr = "Adresse e-mail expéditrice des messages"
-        type = "string"
-        bind = "MAIL_SENDER:__INSTALL_DIR__/config.local.php"
-
diff --git a/scripts/install b/scripts/install
index d3a1c28..713bc13 100644
--- a/scripts/install
+++ b/scripts/install
@@ -17,7 +17,6 @@ ynh_app_setting_set --app=$app --key=smtp_port --value=25
 ynh_app_setting_set --app=$app --key=smtp_user --value=$app
 ynh_app_setting_set --app=$app --key=smtp_password --value=$mail_pwd
 ynh_app_setting_set --app=$app --key=smtp_security --value=STARTTLS
-ynh_app_setting_set --app=$app --key=mail_sender --value=$app@$domain
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
diff --git a/scripts/upgrade b/scripts/upgrade
index 63c308f..dad0a11 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -37,23 +37,19 @@ if [ -z "${smtp_host:-}" ]; then
 		smtp_user=$(ynh_read_var_in_file --file=$user_conf --key=SMTP_USER)
 		smtp_password=$(ynh_read_var_in_file --file=$user_conf --key=SMTP_PASSWORD)
 		smtp_security=$(ynh_read_var_in_file --file=$user_conf --key=SMTP_SECURITY)
-		mail_sender=$(ynh_read_var_in_file --file=$user_conf --key=MAIL_SENDER)
 		ynh_replace_string --match_string="const SMTP_" --replace_string="//const SMTP_" --target_file=$user_conf
-		ynh_replace_string --match_string="const MAIL_" --replace_string="//const MAIL_" --target_file=$user_conf
 	else
 		smtp_host=$domain
 		smtp_port=25
 		smtp_user=$app
 		smtp_password=$mail_pwd
 		smtp_security=STARTTLS
-		mail_sender=$app@$domain
 	fi
 		ynh_app_setting_set --app=$app --key=smtp_host --value=$smtp_host
 		ynh_app_setting_set --app=$app --key=smtp_port --value=$smtp_port
 		ynh_app_setting_set --app=$app --key=smtp_user --value=$smtp_user
 		ynh_app_setting_set --app=$app --key=smtp_password --value=$smtp_password
 		ynh_app_setting_set --app=$app --key=smtp_security --value=$smtp_security
-		ynh_app_setting_set --app=$app --key=mail_sender --value=$mail_sender
 fi
 
 #=================================================