From b9a3ef486ebcde18a5ade37865ff8f397185d24f Mon Sep 17 00:00:00 2001
From: Till Brehm <tbrehm@ispconfig.org>
Date: Sun, 24 Jul 2016 05:30:59 -0400
Subject: [PATCH] Fixed #3979 Mailbox users unable to save autoresponders

---
 server/lib/classes/cron.d/900-letsencrypt.inc.php |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/server/lib/classes/cron.d/900-letsencrypt.inc.php b/server/lib/classes/cron.d/900-letsencrypt.inc.php
index 5174951..5441ac2 100644
--- a/server/lib/classes/cron.d/900-letsencrypt.inc.php
+++ b/server/lib/classes/cron.d/900-letsencrypt.inc.php
@@ -36,13 +36,13 @@
 	public function onRunJob() {
 		global $app, $conf;
 
-		$letsencrypt = array_shift( explode("\n", `which letsencrypt /root/.local/share/letsencrypt/bin/letsencrypt`) );
+		$letsencrypt = array_shift( explode("\n", shell_exec('which letsencrypt certbot /root/.local/share/letsencrypt/bin/letsencrypt')) );
 		if(is_executable($letsencrypt)) {
 			$version = trim(exec($letsencrypt . ' --version 2>/dev/null'));
 			if(preg_match('/^(\S+)\s+(\d+(\.\d+)+)$/', $version, $matches)) {
 				$type = strtolower($matches[1]);
 				$version = $matches[2];
-				if($type != 'letsencrypt' || version_compare($version, '0.7.0', '<')) {
+				if(($type != 'letsencrypt' && $type != 'certbot') || version_compare($version, '0.7.0', '<')) {
 					exec($letsencrypt . ' -n renew');
 					$app->services->restartServiceDelayed('httpd', 'reload');
 				} else {

--
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