Follow up overdue customer invoices — dashboard, bulk email reminders, and an overdue statement printout
Portfolio view of unallocated AR credits with one-click allocation (same / cross-customer) and multi-line write-off to revenue or bad debt
Park payments from unidentified customers — assign to the real customer later
Track which customer invoices were e-mailed — sent, not sent, failed (with reason) — and send, retry or resend them in bulk from one dynamic dashboard, with e-mail preview