program/lib/Roundcube/rcube_smtp.php
@@ -433,9 +433,9 @@ $recipients = rcube_utils::explode_quoted_string(',', $recipients); reset($recipients); while (list($k, $recipient) = each($recipients)) { foreach ($recipients as $recipient) { $a = rcube_utils::explode_quoted_string(' ', $recipient); while (list($k2, $word) = each($a)) { foreach ($a as $word) { if (strpos($word, "@") > 0 && $word[strlen($word)-1] != '"') { $word = preg_replace('/^<|>$/', '', trim($word)); if (in_array($word, $addresses) === false) {