Redmine

I saw this documentation EmailConfiguration
But I cant make redmine to receive messages from email

I have exim

and made this in aliases:

mymail@mail.com: mymailcopy@mail.com, "|/var/www/user/data/www/domain.com/extra/mail_handler/rdm-mailhandler.rb":group

made rdm-mailhandler.rb 777 and inside wrote:
opts.banner = "Usage: rdm-mailhandler.rb [options] --url domain.com --key securecodehere"

But still cant get anything to redmine when send email but have a copy to mymailcopy(dog)mail(dot)com so alias rule is working

What I did wrong? Thank you.