The following steps will allow you to report on the number of emails that have been sent from your account across multiple campaigns.
1. Go to: Control > Reports > Report Customization 2. Select: Mail Campaigns from the dropdown 3. Click Next 4. Choose your date settings 5. Select your filter settings 6. Enter any addional filter conditions 7. Put a check by the desired output fields 8. click Finish 9. Mark the radio button: No - Run the report immediately and wait for it to complete 10. Click Run Report