From 35b7e1cb9a9c3fafe0c68386fae13721ea05aa82 Mon Sep 17 00:00:00 2001
From: Ernest Hymel <ehymel@oncologysupport.com>
Date: Sun, 24 May 2020 11:54:18 -0500
Subject: [PATCH] Allow email message to have "To", "Cc", or "Bcc" header to be
 valid

---
 src/Symfony/Component/Mime/Message.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Component/Mime/Message.php b/src/Symfony/Component/Mime/Message.php
index 94a49764e4..b7ddb76bc7 100644
--- a/src/Symfony/Component/Mime/Message.php
+++ b/src/Symfony/Component/Mime/Message.php
@@ -122,8 +122,8 @@ class Message extends RawMessage
 
     public function ensureValidity()
     {
-        if (!$this->headers->has('To')) {
-            throw new LogicException('An email must have a "To" header.');
+        if (!$this->headers->has('To') && !$this->headers->has('Cc') && !$this->headers->has('Bcc')) {
+            throw new LogicException('An email must have a "To", "Cc", or "Bcc" header.');
         }
 
         if (!$this->headers->has('From') && !$this->headers->has('Sender')) {