Appoint a mail center security coordinator and ensure the position is supported by senior management.

Meet with local first responders including the police department, fire department, Postal Inspectors, Centers for Disease Control (CDC), the Occupational Safety and Health Administration (OSHA), and others to establish familiarity with responsible groups and identify best local practices.

Establish standard operating procedures for the mailroom that include security procedures and implement a regular review of the procedures.

Identify proper protocols for emergencies such as a fire, the presence of hazardous materials, or other environmental or safety issues; develop and maintain action plans to address each hazard; and provide current emergency contact information.

Display procedures for handling suspicious letters or packages.

Provide training for mail handling staff on policies and procedures for mail security and emergency protocols.

Perform in-depth background checks when hiring new staff and institute a probationary period for new hires.

Limit mailroom access to employees wearing proper ID badges, uniquely identify and escort visitors, and encourage employees to challenge unknown people in a work area or facility.

Ensure strict accountability for all mailroom locks and keys.

Ensure adequate lighting for the area where mail is handled and the exterior of your building.

Use closed-circuit television (CCTV) cameras to record and store surveillance of operation areas and exterior of your building.

Install an intrusion-detection system at your facility.

Provide mailroom employees with CDC-approved, personal-protection equipment as appropriate.