Erasmusu is trying to remove my review on other websites, so I will write it again here.
This is an absolutely horrible company, trying to scam you by making up their own rules and hoping you fall for it.
After I made (and payed) my booking via Erasmusu, the landlord cancelled. Erasmusu refused to give my money back because they stated that i violated their terms and agreement by giving my email adress, which I gave AFTER I already payed them. If the landlord had confirmed, nothing would have been wrong but now he cancelled, they refused to give my money back.
It took me a lot of emails and contact with a lawyer to get at least the rent I payed back, but they are still trying to keep an administration fee. That is not only annoying, rude and in violated with their own terms, but also absolutely unlawful. I will continue to work to get my remaining money back, because these practices have to be stopped.
I recommend NOT to work with them and if they do try to scam you, do not give up too easily and inform the competent authorities about it.
Note: the booking was cancelled, Erasmusu decided to confirm it themselves after it was cancelled and without my permission.