Message-ID
Template:Short description Message-ID is a unique identifier for a digital message, most commonly a globally unique identifier used in email and Usenet newsgroups.[1]
Message-IDs are required to have a specific format which is a subset of an email address[2] and be globally unique. No two different messages must ever have the same Message-ID. If two messages have the same Message-ID, they are assumed to be the same and one version is discarded. This can cause issues if tools mangle the IDs created by other tools. Such a problem has been reported with Google MTAs mangling Message-IDs created by Outlook, making it difficult to reference other messages and breaking threading.[citation needed]
Message-IDs, if present, are generated by the client program sending the email[2] or by the first mail server.[3] A common method of generating such ID is by combining the time and domain name, for example: 950124.162336@example.com.[4]
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Eoghan Casey (2004). Digital evidence and computer crime: forensic science, computers and the Internet. Academic Press. p. 506. ISBN 0-12-163104-4.
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