If sending $1.5, the amount that will go to fees is $4.06 and the recipient will receive $-2.56. That's 270.67% going to fees, effectively.
* Using Domestic fee rate of 3.95% + $4 (up to $50,000 MXN)
To receive $1.5, a payment of $5.73 should be sent. $4.23 will go to fees. That's 73.82% in fees, effectively.