diff options
Diffstat (limited to 'program/steps')
| -rw-r--r-- | program/steps/mail/compose.inc | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc index 93496eb99..db001d54e 100644 --- a/program/steps/mail/compose.inc +++ b/program/steps/mail/compose.inc @@ -294,6 +294,7 @@ else if (count($MESSAGE->identities)) { $a_recipients = array(); $parts = array('to', 'cc', 'bcc', 'replyto', 'followupto'); $separator = trim($RCMAIL->config->get('recipients_separator', ',')) . ' '; +$from_email = @mb_strtolower($MESSAGE->compose['from_email']); foreach ($parts as $header) { $fvalue = ''; @@ -391,21 +392,20 @@ foreach ($parts as $header) { continue; } - $mailto = format_email(rcube_utils::idn_to_utf8($addr_part['mailto'])); + // According to RFC5321 local part of email address is case-sensitive + // however, here it is better to compare addresses in case-insensitive manner + $mailto = format_email(rcube_utils::idn_to_utf8($addr_part['mailto'])); + $mailto_lc = mb_strtolower($addr_part['mailto']); - if (!in_array($mailto, $a_recipients) - && ($header == 'to' - || $compose_mode != RCUBE_COMPOSE_REPLY - || empty($MESSAGE->compose['from_email']) - || $mailto != $MESSAGE->compose['from_email']) + if (($header == 'to' || $compose_mode != RCUBE_COMPOSE_REPLY || $mailto_lc != $from_email) + && !in_array($mailto_lc, $a_recipients) ) { - if ($addr_part['name'] && $addr_part['mailto'] != $addr_part['name']) - $string = format_email_recipient($mailto, $addr_part['name']); - else - $string = $mailto; + if ($addr_part['name'] && $mailto != $addr_part['name']) { + $mailto = format_email_recipient($mailto, $addr_part['name']); + } - $fvalue[] = $string; - $a_recipients[] = $addr_part['mailto']; + $fvalue[] = $mailto; + $a_recipients[] = $mailto_lc; } } |