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Diffstat (limited to 'program/steps/mail/func.inc')
| -rw-r--r-- | program/steps/mail/func.inc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc index 25b0338af..bd7fa9c43 100644 --- a/program/steps/mail/func.inc +++ b/program/steps/mail/func.inc @@ -1436,6 +1436,7 @@ function rcmail_send_mdn($uid, &$smtp_error) 'Subject' => rcube_label('receiptread') . ': ' . $message->subject, 'Message-ID' => sprintf('<%s@%s>', md5(uniqid('rcmail'.mt_rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host'])), 'X-Sender' => $identity['email'], + 'References' => trim($message->headers->references . ' ' . $message->headers->messageID), ); if ($agent = $RCMAIL->config->get('useragent')) |