This allows collection of attachment count and size statistics. This involves processing the MIME of every email so can be a little slower.
This allows collection of time-based statistics for every email route detected. This will increase the RAM and disk usage of the statistics collected and will be a little slower.
For each route stats are collected for the quarterly, weekly and daily count, size, attachment count and attachment sizes. This can be up to 0.5GB for 200,000 routes.
Filter the route list. Use *@domain.com to filter by domain. User in(*@domain.com) to show only inbound email from the domain and out(*@domain.com) to show only outbound email to the domain