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  • Writer's pictureLeila

The Magic Trick of RMM: How to Convert FROM Addresses to Their Original Form

Updated: Sep 14, 2023

Ah, the world of marketing automation - a place where the jargon is as thick as molasses and the acronyms flow like wine. But fear not, dear reader! For today, we shall dive into one of the most mesmerizing tricks of the Salesforce Marketing Cloud: the art of transforming a Reply Mail Management (RMM) FROM address back to its original form.

Abracadabra, anyone?

Now, gather 'round as I regale you with the tale of our protagonist, who was perplexed by an RMM-enabled email system that forwarded all messages to the mystical land of Email-to-Case Salesforce.

In this peculiar land, the SuppliedEmail field was magically transformed from its RMM state to its original form.

How, you ask? Well, that's the million-dollar question we're about to answer.

The Enchanted RMM Process

First, let's take a closer look at the RMM process itself. When a marketing cloud email is sent from an address like, the RMM system transforms the FROM address into something like

But here's where the magic happens: when the email reaches the Email-to-Case Salesforce box, the FROM address is mysteriously converted back to its original form, as in The question then becomes, how does this transformation occur?

The Secret Potion: Custom Email Headers

The key to this magical transformation lies in the custom email headers. As the email passes through the Salesforce Marketing Cloud, the original FROM address is preserved in a custom email header called "Return-Path." This header, my friends, is the key to unlocking the mystery.

The Spell: Mapping the Return-Path to SuppliedEmail

Once the email reaches the Email-to-Case Salesforce box, a bit of enchantment occurs. The Salesforce system recognizes the Return-Path header and maps it to the SuppliedEmail field on the created Case records. Thus, the FROM address is seamlessly transformed back to its original form.

For more information on this mystical process, consult the sacred Salesforce Marketing Cloud tome known as the Email Header Documentation. Within its pages, you will find the secrets to harnessing the power of custom email headers and unraveling the mysteries of the RMM process.

The Grand Finale: A Seamless RMM Experience

And there you have it, dear reader: the magic trick that turns an RMM FROM address back into its original form, right before your very eyes. With this knowledge in hand, you can now confidently navigate the realm of Salesforce Marketing Cloud and delight your audience with a seamless RMM experience.

Remember, in the world of marketing automation, it's all about pulling back the curtain and revealing the hidden secrets that make your campaigns truly magical. And with that, I bid you adieu – until our next adventure in the fantastical land of Salesforce Marketing Cloud!

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