Overview

UTM parameters are URL query parameters used to track traffic sources, campaign attribution, and content performance in analytics platforms such as Google Analytics. In email marketing workflows, UTM tagging enables teams to identify how recipients interact with links after leaving the email environment.

MassMailer supports UTM parameter handling in template links, allowing users to configure either custom UTM values or default Google Analytics parameters for campaign tracking.

This capability improves visibility into post-click user behavior and helps measure the effectiveness of email campaigns across websites, landing pages, and other digital destinations.



What Are UTM Parameters

UTM stands for Urchin Tracking Module. These parameters are appended to URLs so analytics systems can classify incoming traffic by source, medium, campaign, content, or keyword.

A tagged URL enables Google Analytics to attribute visits and conversions to a specific email campaign or link placement.

Example structure:

https://www.example.com/?utm_source=newsletter&utm_medium=email&utm_campaign=summer-sale

Supported UTM Parameters

MassMailer template links can be configured to pass the standard Google Analytics UTM parameters:

1. utm_source

Identifies the origin of the traffic, such as the platform or sender source.

Example:
utm_source=newsletter

2. utm_medium

Identifies the traffic channel.

Example:
utm_medium=email

3. utm_campaign

Identifies the campaign name.

Example:
utm_campaign=summer-sale

4. utm_content

Used to differentiate links or content variations within the same email.

Example:
utm_content=header-button

5. utm_term

Typically used for paid search keyword tracking, though available if needed for structured attribution.

Why UTM Tracking Matters

Without UTM tagging, post-click traffic from emails may appear as undifferentiated referral or direct traffic in analytics tools. This limits campaign attribution and reduces visibility into user journeys.

Using UTM parameters allows teams to:

  • Track which campaigns drive visits and conversions

  • Differentiate performance of multiple links in the same email

  • Identify the source and medium of incoming traffic

  • Measure content-level engagement

  • Improve campaign reporting and optimization

UTM Support in MassMailer

MassMailer provides support for two UTM configuration approaches:

  • Custom UTM values

  • Default UTM values

This allows organizations to either apply campaign-specific tracking manually or rely on system-generated default tracking parameters.

Configuration Options

Custom UTM Values

Custom UTM values are used when a campaign requires explicit, manually defined tracking parameters.

Setup Process

  1. Navigate to:
    MassMailer Setup → Email Event Tracking Settings

  2. Disable:
    Use Default Google Analytics Parameters

  3. Add the required UTM parameters directly to the template link URLs.

Example

https://www.example.com/?utm_source=newsletter&utm_medium=email&utm_campaign=summer-sale

This approach is useful when campaign naming conventions, source attribution, or link-level differentiation must be tightly controlled.

Default UTM Values

Default UTM values are used when MassMailer should automatically append tracking parameters to links.

Setup Process

  1. Navigate to:
    MassMailer Setup → Email Event Tracking Settings

  2. Enable or configure the system to use MassMailer-managed default Google Analytics parameters.

  3. Use standard links in the template without manually appending UTM codes.

MassMailer will add the tracking parameters automatically during email generation.

Example Output

https://example.com/?utm_source=sendgrid.com&utm_medium=email&utm_campaign=website

This method is best for standardized campaign tracking where manual tagging is not required.

Implementation Considerations

When configuring UTM parameters in MassMailer:

  • Use a consistent campaign naming convention

  • Ensure URLs do not contain conflicting or duplicate parameters

  • Validate tagged links before launching campaigns

  • Use utm_content when multiple calls to action exist in the same email

  • Align UTM strategy with Google Analytics reporting requirements

Testing should be performed before production sends to confirm parameter behavior in generated email links.

Conclusion

Passing Google Analytics UTM parameters in MassMailer template links enables reliable post-click tracking and campaign attribution. By supporting both custom and default UTM configurations, MassMailer allows organizations to align email tracking with broader analytics and reporting strategies.

This functionality is essential for teams that want to measure campaign effectiveness beyond opens and clicks and gain deeper insight into recipient behavior across web properties.

For more information, you can refer to the blog post.