From: Tim Düsterhus <duesterhus@woltlab.com>
Date: Sun, 31 Jul 2016 12:58:52 +0000 (+0200)
Subject: Avoid potential issue with overlong lines in Emails
X-Git-Tag: 3.0.0_Beta_1~841
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fdba0d8006d68004de486707066e6fc846f846b4;p=GitHub%2FWoltLab%2FWCF.git

Avoid potential issue with overlong lines in Emails
---

diff --git a/wcfsetup/install/files/lib/system/email/Email.class.php b/wcfsetup/install/files/lib/system/email/Email.class.php
index 4b50aa39bc..795139243a 100644
--- a/wcfsetup/install/files/lib/system/email/Email.class.php
+++ b/wcfsetup/install/files/lib/system/email/Email.class.php
@@ -389,10 +389,10 @@ class Email {
 		$headers[] = ['date', $this->getDate()->format(\DateTime::RFC2822)];
 		$headers[] = ['message-id', $this->getMessageID()];
 		if ($this->getReferences()) {
-			$headers[] = ['references', implode(' ', $this->getReferences())];
+			$headers[] = ['references', implode("\r\n   ", $this->getReferences())];
 		}
 		if ($this->getInReplyTo()) {
-			$headers[] = ['in-reply-to', implode(' ', $this->getInReplyTo())];
+			$headers[] = ['in-reply-to', implode("\r\n   ", $this->getInReplyTo())];
 		}
 		$headers[] = ['mime-version', '1.0'];