On 05/16/2016 08:00 AM, DerbyDad03 wrote:
If I'm not mistaken:

FedEx & USPS -- SmartPost
UPS & USPS -- SurePost
DHL & USPS -- SmartMail
USPS -- SnailMail:-)

http://www.bloomberg.com/features/2016-usps-email/

The USPS tried.... Without all the government interference in favor of
the rent seekers Deutsche Post privatized and did very well. They even
managed to buy a few things -- like DHL.