To enhance campaign targeting, Keynes Digital has the ability to layer on segments from your existing customer lists. These segments can be used in a variety of ways, such as building lookalike audiences, blocking past purchasers from targeting, or retargeting prospects who have not yet purchased.
CRM data segments are created by uploading a .CSV file into our system, which must be under 500 MBs. Only one email address (regular or hashed) should be entered per line, and a minimum of 5,000 email addresses is required. Below is an example of a .CSV file template.
When Hashed Email is the record type of your .CSV file, you must normalize and hash the emails prior to upload.
Step 1 – For email addresses ending in gmail.com:
Step 2 – For all other email addresses:
After an email address has been normalized, it must be hashed using base64-encoded SHA256. As an example: