Email bot clicks are a problem for all marketing automation platforms. People complain on the /Pardot subreddit, the Marketo forums. Eloqua only recently (2022) started dealing with “Auto Opens”… . These clicks come from corporate email security systems (like Microsoft Defender for Office). Security systems follow every link in an email and check whether the destination page has malicious code running on it.
Many marketing automation systems let you define your own set of “bot” IP ranges so they can filter them out. You will get more accurate clickthrough reporting by adding more bot IP/domain ranges to your system.
Below is a list of known email click bots. It includes the default list from Pardot, and also extra ranges from my own personal investigations into this. Feel free to use these ranges & domains in your system. Do you have your own IP ranges? Know of extra ranges that are not here? If so, please write me a note in the comments!
The list is below:
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