Office 365Demystifying SPF/DKIM/DMARC
William Christopher Agenda What is email? A method of exchanging digital messages from an author to one or more recipientsEmail is defined by the following standards:RFC 5321 defines the host-to-host protocol (Envelope)RFC…
Error: The critical property ‘ExchangeGuid’ is missing in the MailUser object
blogs.hyperstrato.com Assessment The critical property ‘ExchangeGuid‘ is missing in the MailUser object Solution · Ran the following cmdlet for the affected users: Get-mailuser user@domain.com | FL *guid* · We can see…