SNDS, also known as “Sender Network Data Services,” is a comprehensive email deliverability program developed by Microsoft. It provides email senders with valuable insights and data on their email sending practices, allowing them to monitor and improve their email reputation. SNDS offers a range of features, including detailed reporting on email delivery, spam complaints, and spam trap hits, as well as the ability to proactively manage and troubleshoot email delivery issues. With its user-friendly interface and powerful tools, SNDS is an essential resource for any email marketer looking to optimize their email deliverability and maintain a positive sender reputation.