@ankitkochar Replying to your question raised for the audit information - The Audit Trail will log and list operator actions, such as creation, modification, and deletion for workflows, options, and source schema. (available in 19.1 and above version for classic) To access your instance's Audit trai...

Assuming you have a hybrid architecture. In general to activate Litmus with Marketing instance following steps are required 1 - Install the Inbox rendering package/deiiverability via Tools>Advanced>Import a package2 - Configure an external account (HTTP Type )Label - Deliverability server infoIntern...