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Iron Mountain Digital Mail for Lockbox is an outsourced, secure solution using AI-powered IDP to streamline receivables, accelerate cash flow, and reduce risk.

Maintaining lockbox operations has become an expensive distraction from core business objectives for many financial institutions and enterprises managing high volumes of receivables. The rising cost of labor and real estate, combined with outdated processing infrastructure, make it increasingly impractical to manage receivables in-house. Consider the inefficiency of hundreds of employees manually reviewing thousands of checks and remittances—not to mention the risks, errors, and delays.
These firms are at risk of losing commercial clients to competitors who offer fast, modern receivables platforms. It’s time to exit the mailroom business, reduce fraud and shrink mail float, and adopt a best-in-class lockbox experience.
Our lockbox services offer a comprehensive, outsourced solution for managing your receivables. Rely on our vast imaging network and AI-powered intelligent document processing (IDP) to digitize your mail, process checks, and accurately extract payment data based on your specific business rules.
Digital Mail for Lockbox runs on Iron Mountain InSight® Digital Experience Platform (DXP), a cloud-native software-as-a-service platform, and utilizes its IDP module. Working with our payment processing provider or yours, we provide image cash letter (ICL) services, including deposit, posting, and reconciliation. By acting as your single, trusted provider, we simplify your operations and reduce the need to manage multiple vendors.
We offer distinct advantages to organizations in need of lockbox services. With its AI-first document processing and more than 70 years of expertise in secure information management, over 95% of Fortune 1000 companies rely on us. While competitors scale back their paper operations, we maintain over 141 US imaging centers to meet demand.
When data security and compliance are the highest priorities, we are the ideal choice. Every payment and document remains in our custody— from secure pickup to scanning within one of our state-of-the-art facilities. Digital files are stored in a protected cloud environment built on the National Institute of Standards and Technology Cybersecurity Framework, with encryption and role-based permissions you fully control.
Flexible transition options, such as site takeovers or staff rebadging, are designed to help you modernize without disrupting your operations. The approach is customized, not one- size-fits-all. Our people, processes, and technology work together to solve your lockbox challenges, allowing you to focus on achieving business outcomes.
Learn how Iron Mountain Digital Mail for Lockbox helps you cut costs, reduce errors, and improve efficiency while managing risk and compliance.
Get a FREE consultation today!
Industry fact
AI is transforming accounts receivable processes, driving efficiency, and accuracy like never before.


