[TylerE]

Not for physical mail.

[mrweasel]

Yeeeeey for living in a country where physical mail is prohibitively expensive. A standard letter, 2 - 5 business days, costs $3.50.

[0x457]

In US, USPS (government snail mail) literally has program that allows you to send^W spam marketing mail: https://www.usps.com/business/every-door-direct-mail.htm

[mrweasel]

Do they make it up on volume or is postal workers just incredibly cheap?

[munk-a]

They're forced to deliver it at a loss and then yelled at by congress when they fail to turn a profit. The system just works.