diff --git a/htdocs/admin/mails.php b/htdocs/admin/mails.php
index 0504315075d..94c396f049d 100644
--- a/htdocs/admin/mails.php
+++ b/htdocs/admin/mails.php
@@ -404,7 +404,7 @@ if ($action == 'edit') {
 		}
 		print '</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat minwidth300" id="MAIN_MAIL_SMTP_SERVER" name="MAIN_MAIL_SMTP_SERVER" value="'.$mainserver.'" autocomplete="off">';
 			print '<input type="hidden" id="MAIN_MAIL_SMTP_SERVER_sav" name="MAIN_MAIL_SMTP_SERVER_sav" value="'.$mainserver.'">';
 			print '<span id="smtp_server_mess" class="opacitymedium">'.$langs->trans("SeeLocalSendMailSetup").'</span>';
@@ -435,7 +435,7 @@ if ($action == 'edit') {
 		}
 		print '</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" id="MAIN_MAIL_SMTP_PORT" name="MAIN_MAIL_SMTP_PORT" size="3" value="'.$mainport.'">';
 			print '<input type="hidden" id="MAIN_MAIL_SMTP_PORT_sav" name="MAIN_MAIL_SMTP_PORT_sav" value="'.$mainport.'">';
 			print '<span id="smtp_port_mess" class="opacitymedium">'.$langs->trans("SeeLocalSendMailSetup").'</span>';
@@ -453,7 +453,7 @@ if ($action == 'edit') {
 		$mainstmpid = (!empty($conf->global->MAIN_MAIL_SMTPS_ID) ? $conf->global->MAIN_MAIL_SMTPS_ID : '');
 		print '<tr class="drag drop oddeven"><td>'.$langs->trans("MAIN_MAIL_SMTPS_ID").'</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" name="MAIN_MAIL_SMTPS_ID" size="32" value="'.$mainstmpid.'">';
 		} else {
 			$htmltext = $langs->trans("ContactSuperAdminForChange");
@@ -467,7 +467,7 @@ if ($action == 'edit') {
 	// OAUTH
 	if (!empty($conf->use_javascript_ajax) || (isset($conf->global->MAIN_MAIL_SENDMODE) && in_array($conf->global->MAIN_MAIL_SENDMODE, array('smtps', 'swiftmailer')))) {
 		print '<tr class="oddeven smtp_auth_method"><td>'.$langs->trans("MAIN_MAIL_SMTPS_AUTH_TYPE").'</td><td>';
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input type="radio" id="radio_pw" name="MAIN_MAIL_SMTPS_AUTH_TYPE" value="LOGIN"'.(getDolGlobalString('MAIN_MAIL_SMTPS_AUTH_TYPE') == 'LOGIN' ? ' checked' : '').'> ';
 			print '<label for="radio_pw" >'.$langs->trans("UsePassword").'</label>';
 			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
@@ -489,7 +489,7 @@ if ($action == 'edit') {
 		print $form->textwithpicto($langs->trans("MAIN_MAIL_SMTPS_PW"), $langs->trans("WithGMailYouCanCreateADedicatedPassword"));
 		print '</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" type="password" name="MAIN_MAIL_SMTPS_PW" size="32" value="'.$mainsmtppw.'" autocomplete="off">';
 		} else {
 			$htmltext = $langs->trans("ContactSuperAdminForChange");
@@ -911,7 +911,7 @@ if ($action == 'edit') {
 
 		print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?action=test&mode=init#formmailbeforetitle">'.$langs->trans("DoTestSend").'</a>';
 
-		if (!empty($conf->fckeditor->enabled)) {
+		if (isModEnabled('fckeditor')) {
 			print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?action=testhtml&mode=init#formmailbeforetitle">'.$langs->trans("DoTestSendHTML").'</a>';
 		}
 	}