Litmus explicitly forbids any of our users from using Litmus Personalize for subscribers who have not opted-in. Our Terms of Use (which all users must agree to) state:
Under no circumstances may you use our tools in connection with the sending of Unsolicited Commercial Messages (spam). This includes our Email Analytics tools. You warrant that all your subscribers are opt-in and that every message you send has an appropriate mechanism for unsubscribing from your mailing list.
What to do if you've received spam
If you've received an email containing content-server.eu2.ca.litmus.com that you believe is unsolicited, please let us know immediately by forwarding the email to personalize+abuse@litmus.com. Our support team will investigate within 24 hours. If we discover the sender of the email is abusing the content-server.eu2.ca.litmus.com domain, we'll disable that user's account and blacklist them from using our products and services in future.
Questions and concerns
If you have any other questions or concerns, we'd love to hear from you! You can reach us at hello@litmus.com or by calling us on +1 (866) 787-7030. Our support team typically answer emails within 24 hours.
