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Microsoft 365 - Approve SendGrid to Send DMARC-Compliant Email from My Domain

This document will provide the steps necessary to set up custom domain authentication for SendGrid, approving SendGrid to send DMARC-compliant email from addresses in your organization's subdomain (e.g. mydomain.wisc.edu).

Information about the protection of UW-Madison email with DMARC can be found here: Email Authenticity

Note: approving a third-party email vendor to send email as/from @wisc.edu addresses (e.g. mynetid@wisc.edu) is not permitted. Only approve third-party email vendors to send email as/from addresses in your subdomain (e.g. account@mydomain.wisc.edu).

SendGrid provides publicly available documentation on setting up custom domain authentication:

https://sendgrid.com/docs/ui/account-and-settings/how-to-set-up-domain-authentication/

Note: A CNAME record is an alias for another domain. You should never create a CNAME record for an existing UW-Madison email domain (e.g. doit.wisc.edu).

If you need assistance in taking the above steps, please contact the DoIT Help Desk.



Keywordsdomain based message authentication reporting conformance name system naming TXT SPF DKIM CNAME restrictive report forensic aggregate quarantine reject uw madison list server email header reply-to administrators smtp IP addresses caution external "[CAUTION: External]" tagging subject vendor newsletter campaign   Doc ID89170
OwnerO365 S.GroupMicrosoft 365
Created2019-01-18 12:59:33Updated2023-10-23 09:55:05
SitesDoIT Help Desk, Microsoft 365
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