https://www.za-zu.com/blog/playbook The person writing this detailed spam guide, one Matt Redler, appears to have created some sort of spam snowshoeing as a service startup. https://x.com/MattRedler I would encourage anyone who might find that they are providing hosting services, email relay, cloud-based anything to "za-zu" to independently evaluate what they consider its business model and methodology to be, and whether having it as a client is within the reputational risk tolerance of your company.