nobody seems to be hitting the email hard. should i be concerned, and what steps should i take to secure this?
Top 50 sending hosts by message count
-------------------------------------
14758 74MB local
Top 50 local senders by message count
-------------------------------------
7170 26MB mailnull
6490 14MB nobody
Top 50 sending hosts by volume
------------------------------
14758 74MB local
Top 50 local senders by volume
------------------------------
7170 26MB mailnull
6490 14MB nobody
Top 50 sending hosts by message count
-------------------------------------
14758 74MB local
Top 50 local senders by message count
-------------------------------------
7170 26MB mailnull
6490 14MB nobody
Top 50 sending hosts by volume
------------------------------
14758 74MB local
Top 50 local senders by volume
------------------------------
7170 26MB mailnull
6490 14MB nobody