Problem Email Outgoing Blocked

Problem Email Outgoing Blocked

Dear, I would like if you could help me with my email account that is blocked, I have tried to unblock it with the link that appears in the header of my inbox, but I could not ... 

 In addition this block seems to me that it occurs because in my mailbox there are spam mails to mails @ hotmail.fr / @ orange.fr that do not exist and therefore arrive mails from mail delivered problem .. 

 if you can help me please

thank