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Sender ID

Published: September 4, 2006 | Updated: June 9, 2008

The Sender ID Framework is an e-mail authentication technology protocol that helps address the problem of spoofing and phishing by verifying the domain name from which e-mail messages are sent. Sender ID validates the origin of e-mail messages by verifying the IP address of the sender against the alleged owner of the sending domain. Now adopted by more than 10 million domains worldwide, Sender ID is providing brand owners, senders, and receiving networks with significant business and technical value.

Overview of Sender ID

The Sender ID framework, developed jointly by Microsoft and industry partners, addresses a key part of the spam problem: the difficulty of verifying a sender's identity.

Sender ID Framework

This site provides information for IT professionals and developers about the technical aspects of Sender ID, including steps to implement authentication checks on e-mail servers and within applications.

Sender ID Downloads

IT professionals can find tools to help them implement and then test Sender ID. Downloadable documents provide a general overview as well as highly technical details about the technology.

Sender ID Industry Solutions

Many companies offer technical solutions that support the Sender ID Framework. These solutions can help you combat spam and phishing today.


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