diff options
Diffstat (limited to 'program/steps/mail/func.inc')
| -rw-r--r-- | program/steps/mail/func.inc | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc index 1509f9028..73d675a60 100644 --- a/program/steps/mail/func.inc +++ b/program/steps/mail/func.inc @@ -1544,7 +1544,7 @@ function rcmail_send_mdn($uid, &$smtp_error) 'From' => $sender, 'To' => $message->headers->mdn_to, 'Subject' => rcube_label('receiptread') . ': ' . $message->subject, - 'Message-ID' => sprintf('<%s@%s>', md5(uniqid('rcmail'.mt_rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host'])), + 'Message-ID' => rcmail_gen_message_id(), 'X-Sender' => $identity['email'], 'References' => trim($message->headers->references . ' ' . $message->headers->messageID), ); @@ -1585,6 +1585,29 @@ function rcmail_send_mdn($uid, &$smtp_error) return false; } +// Returns unique Message-ID +function rcmail_gen_message_id() +{ + global $RCMAIL; + + $local_part = md5(uniqid('rcmail'.mt_rand(),true)); + $domain_part = $RCMAIL->user->get_username('domain'); + + // Try to find FQDN, some spamfilters doesn't like 'localhost' (#1486924) + if (!preg_match('/\.[a-z]+$/i', $domain_part)) { + if (($host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST'])) + && preg_match('/\.[a-z]+$/i', $host)) { + $domain_part = $host; + } + else if (($host = preg_replace('/:[0-9]+$/', '', $_SERVER['SERVER_NAME'])) + && preg_match('/\.[a-z]+$/i', $host)) { + $domain_part = $host; + } + } + + return sprintf('<%s@%s>', $local_part, $domain_part); +} + // Returns RFC2822 formatted current date in user's timezone function rcmail_user_date() { |