Update PHPMailer.php

2025-10-02 11:18:08 +02:00 · 2025-10-02 11:18:08 +02:00 · 306ea7022f
parent 0f9ebf7c3c
commit 306ea7022f
1 changed files with 1 additions and 1 deletions
--- a/src/PHPMailer.php
+++ b/src/PHPMailer.php
@ -4607,7 +4607,7 @@ class PHPMailer
        $cid_domain = '@phpmailer.0';
        if (filter_var($this->From, FILTER_VALIDATE_EMAIL)) {
            //prepend with a character to create valid RFC822 string in order to validate
-            $cid_domain = substr( $this->From, strpos( $this->From, '@') + 1);
+            $cid_domain = substr( $this->From, strrpos( $this->From, '@') + 1);
        }

        preg_match_all('/(?<!-)(src|background)=["\'](.*)["\']/Ui', $message, $images);