When you send an email from Mailchimp to your audience, you might see new Salesforce Campaigns appear even if you previously created a Campaign to sync members into Mailchimp. This is expected behavior and happens because SyncApps handles these scenarios differently depending on the action being performed.
This article explains:
Why new Campaigns are created
How Campaign Members are added
How this impacts reporting and engagement tracking
Why This Happens
SyncApps supports two distinct flows that both involve Salesforce Campaigns:
1. Salesforce Campaigns Used to Sync Records to Mailchimp
When you create a Salesforce Campaign and set up SyncApps to sync it to a Mailchimp Group or Tag, SyncApps uses that Campaign to determine who should be added into Mailchimp. In this case:
Salesforce is the source of truth for the audience
Contacts or Leads in the Campaign become synced as Mailchimp subscribers
SyncApps copies those Campaign Members into Mailchimp Groups or Tags for targeting and segmentation
This flow does not create new Campaigns — it simply uses your existing Campaign.
2. New Campaigns Created When Sending Email from Mailchimp
Unlike Salesforce, in Mailchimp a “Campaign” refers to an email send itself. When you send an email in Mailchimp:
SyncApps automatically creates a new Salesforce Campaign
The Campaign name matches the Mailchimp email campaign name
SyncApps adds Campaign Members for each Contact in Salesforce that was sent that email
Engagement metrics (opens, clicks, bounces) sync back to those new Campaign Members
This allows your Sales and reporting teams to see exactly who received and engaged with that Mailchimp email in Salesforce.
Why SyncApps Creates New Campaigns Instead of Reusing Old Ones
Salesforce and Mailchimp use the term “Campaign” differently:
Salesforce: A container for people you want to market to or track
Mailchimp: A single email send with unique engagement data
SyncApps preserves both perspectives by creating separate Campaigns for:
Audience definition (used when syncing to Mailchimp)
Email sends (used when tracking engagement from Mailchimp)
This ensures:
Engagement metrics don’t overwrite or mix with unrelated Campaign history
Your reporting remains accurate and tied to the actual email send
Sales teams can filter by the specific email they want to act on
This follows documented behavior of how SyncApps tracks responses from Mailchimp into Salesforce.
What Happens to Campaign Members
When a new Campaign is created from a Mailchimp send:
SyncApps creates or updates Campaign Member records in Salesforce for all sent contacts
Engagement data (opens, clicks, bounces) is written back to those Campaign Members
If you have not added the relevant engagement fields (Opens, Clicks, Bounces) to your Salesforce Campaign Member or Contact/Lead layouts, you won’t see this data — even though it exists. You can fix that by updating your layouts.
See: How Do I Set Up My Salesforce Campaign Page Layout for SyncApps Metrics?
Impact on Reporting
If you expected engagement to show under the original Salesforce Campaign you set to sync into Mailchimp, you won’t see it there because:
The original Campaign served to build the list
The new Campaign represents the actual send and engagement
This separation keeps reporting clean and ensures you can analyze:
Who received each email
Which specific email generated the engagement
Engagement tied to the correct event
Common Questions Subscribers Ask
Q: Can I avoid new Campaigns being created?
Short answer: Yes & No — because each Mailchimp send is treated as a unique email event by SyncApps. However, you can choose not to sync back Campaigns from Mailchimp in any integration.
However, you can manage how engagement is displayed:
Ensure the Campaign Member engagement fields are on your Salesforce layouts.
Q: Why are my engagement numbers different in Salesforce vs Mailchimp?
This usually happens when some contacts are in Mailchimp but not yet added as Campaign Members in Salesforce — or when the original Campaign isn’t the one used for the email send in Mailchimp.
Creating new Campaigns for each send ensures the engagement you see in Salesforce matches exactly who was sent the email. Also, be sure to check that the record has synced from Salesforce or Mailchimp prior.
Q: How do I sync Salesforce Campaigns to Mailchimp Groups or Tags?
See: Mailchimp To Salesforce Guide For Group(s) Or Tag(s) Segmentation
Q: Why aren’t all my Salesforce Campaign Members showing engagement?
Often your page layouts and field mapping need updating to show engagement metrics from the new Campaign created by Mailchimp.
See: How Do I Set Up My Salesforce Campaign Page Layout for SyncApps Metrics?
Summary
SyncApps uses your Salesforce Campaign to send records into Mailchimp (that’s audience building).
When you send an email from Mailchimp, SyncApps creates a new Salesforce Campaign for that email send — with Campaign Members representing all contacts who were sent the email.
This design keeps reporting accurate and ties engagement back to the real send event.
Understanding this difference helps you interpret Salesforce reporting correctly and ensures your Sales and marketing teams answer questions like “Who should I call?” with confidence.
Related Help Articles
You may also find these helpful:
Mailchimp To Salesforce Guide For Group(s) Or Tag(s) Segmentation — explains syncing Salesforce Campaigns into Mailchimp audiences.
How Do I Set Up My Salesforce Campaign Page Layout for SyncApps Metrics? — shows where to add engagement fields.
Salesforce Campaign Reporting From Mailchimp Inside Salesforce — covers how SyncApps creates Salesforce Campaigns from Mailchimp sends.
Mailchimp Multi-Groups And Advanced Segmentation — explains advanced segmentation options tied to Salesforce.
What’s The Best Approach Syncing Salesforce Leads And Contacts To Mailchimp — additional sync options and segmentation notes.
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