diff --git a/htdocs/emailcollector/class/emailcollector.class.php b/htdocs/emailcollector/class/emailcollector.class.php
index 6d8a8a048d3..2c23f6e0475 100644
--- a/htdocs/emailcollector/class/emailcollector.class.php
+++ b/htdocs/emailcollector/class/emailcollector.class.php
@@ -2803,7 +2803,11 @@ class EmailCollector extends CommonObject
 							// TODO Move mail using PHP-IMAP
 						}
 					} else {
-						dol_syslog("EmailCollector::doCollectOneCollector message ".$imapemail." to ".$connectstringtarget." was set to read", LOG_DEBUG);
+						if (empty($conf->global->MAIN_IMAP_USE_PHPIMAP)) {
+							dol_syslog("EmailCollector::doCollectOneCollector message ".((string) $imapemail)." to ".$connectstringtarget." was set to read", LOG_DEBUG);
+						} else {
+							dol_syslog("EmailCollector::doCollectOneCollector message '".($imapemail->getHeader()->get('subject'))."' using this->host=".$this->host.", this->access_type=".$this->acces_type." was set to read", LOG_DEBUG);
+						}
 					}
 				} else {
 					$errorforemail++;
diff --git a/htdocs/includes/webklex/php-imap/vendor/autoload.php b/htdocs/includes/webklex/php-imap/vendor/autoload.php
index f4e36963c6a..298bedf9b9c 100644
--- a/htdocs/includes/webklex/php-imap/vendor/autoload.php
+++ b/htdocs/includes/webklex/php-imap/vendor/autoload.php
@@ -13,10 +13,23 @@ require_once __DIR__ . '/composer/autoload_real.php';
 return ComposerAutoloaderInit4da13270269c89a28e472e1f7324e6d1::getLoader();
 */
 
+
+// Add class/method of PHP8 for compatibility with older versions of PHP
+require_once(__DIR__.'/symfony/polyfill-php80/bootstrap.php');
+
+
 spl_autoload_register(function ($class_name) {
 	// Enable this to detect what we need for require_once
 	//var_dump($class_name);
 
+
+	$preg_match = preg_match('/^Symfony\\\Polyfill\\\Php80\\\/', $class_name);
+	if (1 === $preg_match) {
+		$class_name = preg_replace('/\\\/', '/', $class_name);
+		$class_name = preg_replace('/^Symfony\\/Polyfill\\/Php80\\//', '', $class_name);
+		require_once __DIR__ . '/symfony/polyfill-php80/' . $class_name . '.php';
+	}
+
 	$preg_match = preg_match('/^Webklex\\\PHPIMAP\\\/', $class_name);
 	if (1 === $preg_match) {
 		$class_name = preg_replace('/\\\/', '/', $class_name);