mail.addAttachment(inventory.getStackInSlot(SLOT_TRADEGOOD).copy());
}
mail.addAttachments(getSurplusAttachments(ordersToFill, letter.getAttachments()));
// Check for necessary postage
int requiredPostage = mail.requiredPostage();
if (!isVirtual())
if (!canPayPostage(requiredPostage + (sendOwnerNotice ? 1 : 0)))
return EnumStationState.INSUFFICIENT_STAMPS;
// Attach necessary postage