One would think that she would get $37,000 if you are awarded $100k. But there may be expenses that have been paid by her/her firm that is coming out of your end.
What did she say when you asked why she is getting $60k when the contract called for 37%?
Bob, you have two questions.
"Is it completely legal for companies to take all your private emails for purpose of transferring?"
Of course, it is legal. That is what you hired them to do.
"And how to be sure, that my emails now are not collected on 3-rd party servers?"
That is more technical...
As one of our other senior members likes to say, you have any number of rights but listing them will do you no good.
If you are owed money, and it sounds like you are, you ask for it. If you don't get it then you start worrying about your other options to collect.
There are two issues in there you aren't mentioning. I've highlighted them for you. That is not to say that high weeds next to buildings can also be injurious to public health & safety.
It shall be unlawful for any owner or owners, occupant or occupants, tenant or tenants...