Can you mail money -  potential downsides to sending a money order include extra fees, filling out extra paperwork, needing to visit your local post office in person instead of dealing online, having caps on the amount of money you can send, and potential delays in sending and receiving money.  possible problems in sending a money order include extra fees, extra paperwork, the need to go to a bank or post office instead of going online, dealing with limitations on the amount of money you can send, and occasional delays in sending and receiving money. Laws on sending money in the mail by mary jane freeman ; updated june 21, 2017 the united states postal service does not prohibit you from sending cash in the mail, as long as it's not for an illegal purpose. If you need to send more than ,000 worth of money orders in a single day, you will have to fill out an extra form and bring a photo id that includes your home address and full name.
the "basically" guaranteed way to send money and not get it stolen!!