diff --git a/ChangeLog b/ChangeLog
index d028491db42..c592a261157 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -42,6 +42,7 @@ FIX: #12041
 FIX: #12054
 FIX: #12083
 FIX: #12088
+FIX: Clean the + of categories on the product view only in POS module
 FIX: access to public interface when origin email has an alias.
 FIX: Alias name is not into the email recipient label.
 FIX: allow standalone credit note even if no invoice
diff --git a/htdocs/admin/mails.php b/htdocs/admin/mails.php
index 79d152fb7bf..61fb0448c8b 100644
--- a/htdocs/admin/mails.php
+++ b/htdocs/admin/mails.php
@@ -65,27 +65,27 @@ complete_substitutions_array($substitutionarrayfortest, $langs);
 
 if ($action == 'update' && empty($_POST["cancel"]))
 {
-	dolibarr_set_const($db, "MAIN_DISABLE_ALL_MAILS", GETPOST("MAIN_DISABLE_ALL_MAILS"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_FORCE_SENDTO", GETPOST("MAIN_MAIL_FORCE_SENDTO"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_ENABLED_USER_DEST_SELECT", GETPOST("MAIN_MAIL_ENABLED_USER_DEST_SELECT"), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_DISABLE_ALL_MAILS", GETPOST("MAIN_DISABLE_ALL_MAILS", 'int'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_FORCE_SENDTO", GETPOST("MAIN_MAIL_FORCE_SENDTO", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_ENABLED_USER_DEST_SELECT", GETPOST("MAIN_MAIL_ENABLED_USER_DEST_SELECT", 'int'), 'chaine', 0, '', $conf->entity);
 	// Send mode parameters
-	dolibarr_set_const($db, "MAIN_MAIL_SENDMODE", GETPOST("MAIN_MAIL_SENDMODE"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_SMTP_PORT", GETPOST("MAIN_MAIL_SMTP_PORT"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_SMTP_SERVER", GETPOST("MAIN_MAIL_SMTP_SERVER"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_SMTPS_ID", GETPOST("MAIN_MAIL_SMTPS_ID"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_SMTPS_PW", GETPOST("MAIN_MAIL_SMTPS_PW"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_TLS", GETPOST("MAIN_MAIL_EMAIL_TLS"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_STARTTLS", GETPOST("MAIN_MAIL_EMAIL_STARTTLS"), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_SENDMODE", GETPOST("MAIN_MAIL_SENDMODE", 'aZ09'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_SMTP_PORT", GETPOST("MAIN_MAIL_SMTP_PORT", 'int'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_SMTP_SERVER", GETPOST("MAIN_MAIL_SMTP_SERVER", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_SMTPS_ID", GETPOST("MAIN_MAIL_SMTPS_ID", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_SMTPS_PW", GETPOST("MAIN_MAIL_SMTPS_PW", 'none'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_TLS", GETPOST("MAIN_MAIL_EMAIL_TLS", 'int'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_STARTTLS", GETPOST("MAIN_MAIL_EMAIL_STARTTLS", 'int'), 'chaine', 0, '', $conf->entity);
 
-	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_DKIM_ENABLED", GETPOST("MAIN_MAIL_EMAIL_DKIM_ENABLED"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_DKIM_DOMAIN", GETPOST("MAIN_MAIL_EMAIL_DKIM_DOMAIN"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_DKIM_SELECTOR", GETPOST("MAIN_MAIL_EMAIL_DKIM_SELECTOR"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_DKIM_PRIVATE_KEY", GETPOST("MAIN_MAIL_EMAIL_DKIM_PRIVATE_KEY"), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_DKIM_ENABLED", GETPOST("MAIN_MAIL_EMAIL_DKIM_ENABLED", 'int'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_DKIM_DOMAIN", GETPOST("MAIN_MAIL_EMAIL_DKIM_DOMAIN", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_DKIM_SELECTOR", GETPOST("MAIN_MAIL_EMAIL_DKIM_SELECTOR", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_DKIM_PRIVATE_KEY", GETPOST("MAIN_MAIL_EMAIL_DKIM_PRIVATE_KEY", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
 	// Content parameters
-	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_FROM", GETPOST("MAIN_MAIL_EMAIL_FROM"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_ERRORS_TO", GETPOST("MAIN_MAIL_ERRORS_TO"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, "MAIN_MAIL_AUTOCOPY_TO", GETPOST("MAIN_MAIL_AUTOCOPY_TO"), 'chaine', 0, '', $conf->entity);
-	dolibarr_set_const($db, 'MAIN_MAIL_DEFAULT_FROMTYPE', GETPOST('MAIN_MAIL_DEFAULT_FROMTYPE'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_FROM", GETPOST("MAIN_MAIL_EMAIL_FROM", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_ERRORS_TO", GETPOST("MAIN_MAIL_ERRORS_TO", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_AUTOCOPY_TO", GETPOST("MAIN_MAIL_AUTOCOPY_TO", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, 'MAIN_MAIL_DEFAULT_FROMTYPE', GETPOST('MAIN_MAIL_DEFAULT_FROMTYPE', 'alphanohtml'), 'chaine', 0, '', $conf->entity);
 
 	header("Location: ".$_SERVER["PHP_SELF"]."?mainmenu=home&leftmenu=setup");
 	exit;
@@ -101,8 +101,8 @@ $mode='emailfortest';
 $trackid=(($action == 'testhtml')?"testhtml":"test");
 include DOL_DOCUMENT_ROOT.'/core/actions_sendmails.inc.php';
 
-if ($action == 'presend' && GETPOST('trackid') == 'test')       $action='test';
-if ($action == 'presend' && GETPOST('trackid') == 'testhtml')   $action='testhtml';
+if ($action == 'presend' && GETPOST('trackid', 'alphanohtml') == 'test')       $action='test';
+if ($action == 'presend' && GETPOST('trackid', 'alphanohtml') == 'testhtml')   $action='testhtml';
 
 
 
@@ -821,7 +821,7 @@ else
 		$formmail->frommail = (isset($_POST['frommail'])?$_POST['frommail']:$conf->global->MAIN_MAIL_EMAIL_FROM);
 		$formmail->fromid=$user->id;
 		$formmail->fromalsorobot=1;
-		$formmail->fromtype=(GETPOST('fromtype')?GETPOST('fromtype'):(!empty($conf->global->MAIN_MAIL_DEFAULT_FROMTYPE)?$conf->global->MAIN_MAIL_DEFAULT_FROMTYPE:'user'));
+		$formmail->fromtype=(GETPOSTISSET('fromtype')?GETPOST('fromtype', 'aZ09'):(!empty($conf->global->MAIN_MAIL_DEFAULT_FROMTYPE)?$conf->global->MAIN_MAIL_DEFAULT_FROMTYPE:'user'));
 		$formmail->withfromreadonly=1;
 		$formmail->withsubstit=1;
 		$formmail->withfrom=1;
@@ -847,7 +847,7 @@ else
 		$formmail->param["returnurl"]=$_SERVER["PHP_SELF"];
 
 		// Init list of files
-		if (GETPOST("mode")=='init')
+		if (GETPOST("mode", "aZ09")=='init')
 		{
 			$formmail->clear_attached_files();
 		}