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Links appended with a ?t=a tracking link create a burst pipe

Until recently we used an external tool to help track links in our email. It appends the link to include "t=a" at the end of the link. Recently, we've been getting a burst pipe when we append this to our custom domain or to our NationBuilder URL.

For example:


Kajute, this is now fixed. If you are having any more issues, please email

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