Topics Map > Campus Services > Office 365

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

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

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 addresses (e.g. is not permitted. Only approve third-party email vendors to send email as/from addresses in your subdomain (e.g.

Constant Contact provides publicly available documentation on setting up custom domain authentication:

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

See Also:

Keywords:domain 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 google groups administrators smtp IP addresses caution external "[CAUTION: External]" tagging subject mailman mail-man forwarders   Doc ID:89150
Owner:O365 S.Group:Office 365
Created:2019-01-17 13:27 CSTUpdated:2023-02-02 08:01 CST
Sites:DoIT Help Desk, Office 365
Feedback:  0   0