Your system admins are busy people.So when they get responses to bulk messages and campaigns, they can’t be expected to route them individually to different teams – that’s crazy talk.
Let your recipients know who to contact upfront.
(That was probably us.)
This washes away all the advantages that come with a single point of contact (SPOC).
Sticky Sender well parameterized and covers all your criteria for assigning an account manager or service agent to a response.