if (smtp_session->max_message_size > 0
&& smtp_session->max_message_size < smtp_session->send_data_len) {
log_warning(_("Message is too big "
- "(Maximum size is %dKB)\n"),
- smtp_session->max_message_size / 1024);
+ "(Maximum size is %s)\n"),
+ to_human_readable(
+ (off_t)(smtp_session->max_message_size / 1024)));
smtp_session->state = SMTP_ERROR;
smtp_session->error_val = SM_ERROR;