We use both RMM (MC) and email2case (SC), only we experience an issue.

When somebody replies on an email that is sent from Marketing Cloud. Their reply is forwarded with RMM to the address [email protected]. This triggers the email to case, a case is created.

The only problem is, the email address of the contact on the case is re-written from [email protected] to [email protected]. Therefore, a new contact is created, instead of connecting it to the existing contact with the email address [email protected].

Does anybody have a solution to this?

As far as I understand, disabling DMARC forward reply re-write will give issues with forwarding the emails at all. https://help.salesforce.com/articleView?id=mc_es_dmarc_fwd_reply_rewrite.htm&type=5

1 Answer 1


You'll need to contact Marketing Cloud Support. They are able to make the necessary back-end RMM settings changes that will stop the email address from appearing in this way.

  • I think that you mean disabling the DMARC forward reply re-write. From my understanding, this will give you deliverability issues. Since you try to forward an email through your Marketing Cloud IP address without any verification from the domain owner?
    – Klaas Faze
    Dec 7, 2020 at 8:26

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .