How to mail a letter when you just have a mail slot

How to mail a letter when you just have a mail slot door letter slot letter carrier I have a problem with most of the suggestions here Mail slots suck to deliver to in general I'm trying to shove mail in a slot door letter slot Homebits stocks a collection of flush fitting letter plates or post box slots, with matching internal tidy slot covers The range includes a variety of

door letter slot Mail Slot Option- for Aluminum Mailbox Door Model # 2269 CUSTOM allow 5-7 days for shipping $ $ Free Shipping on all orders over $5,000! Quantity:

door mail slot Standard Style Mail Slots are perfect for USPS residential door mail delivery They come with a mail flop on the outside of the door and an optional trim Baldwin Estate 0012 Letter Box Plate 12 Baldwin Estate 0012 Letter Box Plate $ Non-Laquered Polished Brass; Vintage Brass; Lifetime Satin Brass