Is text message considered as an legal notice ?

[Jenny Wall]

Hi 

Anyone out there knows if text message considered as legal notice ? Especially in state of Utah. 

I have a tenant texted me that she wanted to move out by the end of the month before the lease term end , because she can't afford the rent any more. I have made it clear to her about her early termination consequences according to our lease. She wanted me post the available date on rental ad as Dec 3. I have found new tenants to start the lease on Dec 5. After she knew the new tenants have signed the lease, she started to complain that she has too short a notice to move out (she was the one showed the house and told the new potential tenants that she wanted to be out by Dec 1. ) and it is not fair she has to pay early termination fee . She is going to talk to Attoney about her rights...

Luckily I haven't signed on the lease with the new tenants and they are very accommodating. I have to cancelled the lease. 

I would like to know what's my right in this situation. 

Thanks in advance