17 Apr
                
                    2009
                
            
            
                17 Apr
                
                '09
                
            
            
            
        
    
                10:43 p.m.
            
        On Fri, 2009-04-17 at 13:05 -0700, Jeff Grossman wrote:
I have come across my more problem. If somebody sends mail to JEFF instead of jeff it is saying user unknown. How do I tell the pipe command in Postfix to lowercase the username but not the extension?
You can also do this in Dovecot. For example auth_username_format=%Lu