Iredmail Mail Delivery Rerpot with Attachment details

==== Required information ====
- iRedMail version:
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Linux/BSD distribution name and version:
- Related log if you're reporting an issue:
======== Required information ====
- iRedMail version:
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Linux/BSD distribution name and version:
- Related log if you're reporting an issue:
======== Required information ====
- iRedMail version: iRedMail-0.8.4
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Linux/BSD distribution name and version: RHEL 6.4
- Related log if you're reporting an issue:
====
Suddenly we have an issue with the outgoing Network utilization of the server. We suspect the issue could be due to high flow of mails/with some huge size attachments. Can we get any delivery report with the sender/receiver with the attachment details from Iredmail?