diff options
| -rw-r--r-- | inc/mail.php | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/inc/mail.php b/inc/mail.php index c45a7c57e..f991909d0 100644 --- a/inc/mail.php +++ b/inc/mail.php @@ -112,9 +112,16 @@ function _mail_send_action($data) { } if(!utf8_isASCII($subject)) { - $subject = '=?UTF-8?Q?'.mail_quotedprintable_encode($subject,0).'?='; + $enc_subj = '=?UTF-8?Q?'.mail_quotedprintable_encode($subject,0).'?='; // Spaces must be encoded according to rfc2047. Use the "_" shorthand - $subject = preg_replace('/ /', '_', $subject); + $enc_sub = preg_replace('/ /', '_', $enc_sub); + + // quoted printable has length restriction, use base64 if needed + if(strlen($subject) > 74){ + $enc_subj = '=?UTF-8?B?'.base64_encode($subject).'?='; + } + + $subject = $enc_subj; } $header = ''; |