Disable SMTP Link Tracking UTM Parameters


We are sending emails through the SMTP API and noticed that the links we're including in the email are having utm attributes added onto them. In some cases this is breaking URL signatures that we're including in the links. Does anyone know if there is a way to disable appending the utm parameters and just have the basic link tracking?

As an example: I send an email with a link to this URL:

When Hubspot parses it and creates the redirect link for tracking, it turns into this:


Hi @davidov,

You can turn off source tracking in your email settings, but it's only possible to toggle this setting at a global level:


Ok - thank you for clarifying @Derek_Gervais !