[CentOS] how to get mail stats for a single email address, on an Exim mail server?

[John R Pierce]

Rudi Ahlers wrote:
> Hi,
>
> Can someone please tell me how to get the stats for a single email
> address, and all the addresses on a certain domain?
>   

grep ..... /var/log/maillog | wc -l 

.. etc etc.