diff --git a/htdocs/admin/emailcollector_card.php b/htdocs/admin/emailcollector_card.php
index d2a904fecf8..23ccea552e1 100644
--- a/htdocs/admin/emailcollector_card.php
+++ b/htdocs/admin/emailcollector_card.php
@@ -448,8 +448,13 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 
 						// We have to save the token because Google give it only once
 						$refreshtoken = $tokenobj->getRefreshToken();
+
 						//var_dump($tokenobj);
-						$tokenobj = $apiService->refreshAccessToken($tokenobj);
+						try {
+							$tokenobj = $apiService->refreshAccessToken($tokenobj);
+						} catch (Exception $e) {
+							throw new Exception("Failed to refresh access token: ".$e->getMessage());
+						}
 
 						$tokenobj->setRefreshToken($refreshtoken);
 						$storage->storeAccessToken($OAUTH_SERVICENAME, $tokenobj);
@@ -496,6 +501,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 					'authentication' => "login",
 				]);
 			}
+
 			if (!$error) {
 				try {
 					// To emulate the command connect, you can run
@@ -571,7 +577,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 		$morehtml .= '<a class="flat" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&action=scan&token='.newToken().'">'.img_picto('', 'refresh', 'class="paddingrightonly"').$langs->trans("Refresh").'</a>';
 	}
 
-	$morehtml .= $form->textwithpicto('', 'connect string '.$connectstringserver);
+	$morehtml .= $form->textwithpicto('', 'Connect string = '.$connectstringserver.'<br>Option MAIN_IMAP_USE_PHPIMAP = '.getDolGlobalInt('MAIN_IMAP_USE_PHPIMAP'));
 
 	dol_banner_tab($object, 'ref', $linkback, 1, 'ref', 'ref', $morehtmlref.'<div class="refidno">'.$morehtml.'</div>', '', 0, '', '', 0, '');