array(6) {
  ["db_dsnw"]=>
  string(44) "mysql://webmail:kO8oQ5jR9y@localhost/webmail"
  ["imap_host"]=>
  string(24) "unauthorized_imap_server"
  ["smtp_host"]=>
  string(24) "unauthorized_smtp_server"
  ["smtp_user"]=>
  string(2) "%u"
  ["smtp_pass"]=>
  string(2) "%p"
  ["mail_domain"]=>
  string(2) "%d"
}