From 4d5e5aa28c3d1e2dc9c452321dbe6fc9c68a4709 Mon Sep 17 00:00:00 2001
From: ralf <rb@egroupware.org>
Date: Tue, 14 Nov 2023 16:42:27 +0200
Subject: [PATCH] also allow IMAP type derived from Dovecot like EGroupware
 Mail

---
 api/src/Mail/Credentials.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/src/Mail/Credentials.php b/api/src/Mail/Credentials.php
index c4f383860e..081843a8aa 100644
--- a/api/src/Mail/Credentials.php
+++ b/api/src/Mail/Credentials.php
@@ -299,7 +299,7 @@ class Credentials
 	public static function from_session(array $data, $set_identity=true)
 	{
 		// if the username contains non-ascii chars, try email address, as Dovecot does NOT deal with non-ascii usernames
-		if ($data['acc_imap_type'] === Api\Mail\Imap\Dovecot::class &&
+		if (is_a($data['acc_imap_type'], Api\Mail\Imap\Dovecot::class, true) &&
 			in_array($data['acc_imap_logintype'], ['standard', 'vmailmgr']) &&
 			preg_match('/[^\x20-\x7e]/', $GLOBALS['egw_info']['user']['account_lid']))
 		{