--- title: "User - Email Receiver Id" slug: "user-email-receiver-id" updated: 2024-03-14T06:47:58Z published: 2024-03-14T06:47:58Z canonical: "docs.mapp.com/user-email-receiver-id" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.mapp.com/llms.txt > Use this file to discover all available pages before exploring further. # User - Email Receiver Id **This unique ID of the newsletter receiver serves as a link between Mapp Intelligence and Mapp Engage.** - This dimension is a User category and not interesting for analysis. - If implemented correctly, the receiver ID is automatically added to the newsletter link and read on the landing page of Mapp Intelligence. - Based on this link, segments can be created in Mapp Intelligence and used in Mapp Engage for targeting contacts. Learn more in [this article](/v1/docs/create-segments-in-intelligence-and-use-them-in-engage).