Case sensitve user/mailbox names

[Kevin P. Fleming]

Kerstin Espey wrote:
> 
> As long as you don't use the option "caseful_local_part" in the exim router, 
> exim will send all mails to the lowercase mailbox.
> 
> Regards,
> Kerstin
> 

Exim 4.x does not act this way, but Exim 3.x did. If you don't make specific 
provisions to supply Cyrus a lowercase local part using Exim 4.x, the messages 
won't get delivered.