A shared inbox (support@, sales@) is a mailbox multiple people work from, with assignment, status, and collision detection so no message is answered twice or not at all.
Should we use a shared mailbox or a helpdesk?
Under a few hundred messages a week, a well-managed shared inbox works. Beyond that, ticketing adds needed structure.
Why does shared inbox management matter for deliverability?
Without structure, shared inboxes leak customers. With it, they become a measurable team workflow.
What is the first step to get started with shared inbox management?
Assign an owner to every incoming thread automatically or by rule.
What is the most common shared inbox management mistake?
Sharing one login instead of using delegated access.