Hattiesburg Clinic is a multi-specialty physician practice headquartered in Hattiesburg, Mississippi, serving patients across more than 60 locations, including rural clinic sites throughout South Mississippi. Email and the Clinics Microsoft 365 tenant

Solicitation HC-RTG-2026-EMAIL is a request for proposals from Hattiesburg Clinic, P.A. for a cloud-delivered SaaS email threat detection and web-browser protection service. The solution must integrate with the Clinic's Microsoft 365 tenant via API to provide AI and machine-learning detection of message intent and automated post-delivery remediation. Key deliverables include the deployment of browser protection against credential-harvesting sites, administrator training for IS staff, and monthly exportable threat reports to support grant performance reporting. The project is funded in part by the Mississippi Rural Health Transformation Program (MS RHTP), requiring the awarded vendor to comply with 2 CFR Part 200, the Byrd Anti-Lobbying Amendment for awards over $100,000, and prohibitions on certain telecommunications equipment. The contract consists of a twelve-month base term with two optional twelve-month renewal years, covering approximately 2,001 users. Award selection is based on a weighted evaluation of the technical solution (45%), cost (30%), vendor experience and references (15%), and the implementation approach (10%). Mandatory requirements include an active SAM.gov registration, a signed and notarized Non-Collusion Affidavit, and the execution of a HIPAA Business Associate Agreement. Additionally, vendors must provide a SOC 2 Type II report or equivalent certification and ensure all data is stored and processed within the United States. Proposals must be submitted by November 1, 2026, through the MS Development Authority portal.