sudo dpkg-reconfigure mail-stack-delivery

[thufir]

How do I reconfigure mail-stack-delivery?

thufir at mordor:~$ 
thufir at mordor:~$ sudo dpkg --configure mail-stack-delivery
dpkg: error processing package mail-stack-delivery (--configure):
 package mail-stack-delivery is already installed and configured
Errors were encountered while processing:
 mail-stack-delivery
thufir at mordor:~$ 
thufir at mordor:~$ sudo dpkg-reconfigure mail-stack-delivery
thufir at mordor:~$ 


Nothing happens with dpkg-reconfigure.  

thanks,

Thufir