OK, good. Then you didn't breach anything.
Wouldn't matter. If your situation is not resolved by a move out and surrender of keys by the last day of this month, you'll be wise to seek possession in accordance with the statute.
Obviously, you CAN do whatever you want, but not without potential consequences if you don't follow the statutes and court procedures.
Rules of civil procedure often allow service by publication if service is otherwise impossible. But that generally requires asking for and receiving consent from the court.
A very real risk that every landlord takes when he becomes a landlord. Been there.

