If sending $0, the amount that will go to fees is $0 and the recipient will receive $0. That's 0% going to fees, effectively.
* Using Domestic fee rate of 3.95% + $4 (up to $50,000 MXN)
To receive $0, a payment of $0 should be sent. $n/a will go to fees. That's 0% in fees, effectively.