https://www.relativity.com/blog/introducing-the-edrm-message-id-hash-simplify-cross-platform-email-duplicate-identification/
Introducing the EDRM Message ID Hash: Simplify Cross-Platform Email Duplicate Identification |...
The EDRM MIH can be used for various purposes, including grouping email duplicates for a more efficient review process, or deduplicating a cross-platform email...
cross platformduplicate identificationintroducingedrmmessage