To re-initialize your password, please follow the following steps :

Step 1  : Copy/paste the LOGIN we sent you, validate the captcha, and click " Validate", 
Step 2  : You will receive an e-mail: e-mail on which you received your LOGIN previously. If you don't see it in your mailbox, check your spam box,
Step 3  :Define and validate your new password. It must contain at least 8 characters with: 1 number, 1 capital letter, and 1 lowercase letter, 
Step 4  : Go back to the log in page and connect with your login and your new password.