Home Best Practices

These best practices and white papers represent the cooperative efforts of M3AAWG members to provide the industry with recommendations and background information to improve messaging security and protect users. M3AAWG best practices are updated as needed and new documents are added as they become available.

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September 01, 2020

M3AAWG Email Authentication Recommended Best Practices

This document recommends a set of best practices for authenticating email messages using the security protocols Sender Policy Framework (SPF), Domain Keys Identified Mail (DKIM), Domain-based Message Authentication, Reporting & Conformance) DMARC and Authenticated Received Chain (ARC). (Another security protocol, SMTP authentication, meaning the presentation of credentials during the submission of a message by a Mail User Agent (MUA) or Mail Submission Agent (MSA) to a Mail Transfer Agent (MTA) serves a different purpose and is outside the scope of this document.)

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April 21, 2020

M3AAWG Mobile Messaging Best Practices for Political Programs in the United States

The objectives of this document are to help maximize the successful delivery of wanted political text messages and minimize the incidence of unwanted and/or abusive political text messaging, while ensuring that the rights of all participants in political processes are respected. This document defines best practices that promote trust, transparency and collaboration among ecosystem providers.

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October 10, 2019

M3AAWG Sending Domains Best Common Practices

When preparing for bulk or transactional email sending, two items require special attention: outbound IP addresses, and the domain names to be used for these communications. For the latter, ESPs (Email Service Providers) go through this set-up process frequently and have to review the same readiness checklist each time. This process may involve individual client preferences and constraints, both legal and technical.

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September 30, 2019

M3AAWG Tutorial on Third Party Recursive Resolvers and Encrypting DNS Stub Resolver-to-Recursive Resolver Traffic

This paper provides basic information on the benefits and potential issues with encrypting DNS traffic for both end-users wanting to implement encrypted DNS on their personal devices or home broadband networks and for ISPs or enterprise administrators considering it for their corporate networks, including recommendations for M3AAWG members and the online anti-abuse eco-system. The companion document “M3AAWG Companion Document: Recipes for Encrypting DNS Stub Resolver-to-Recursive Resolver Traffic” provides detailed instructions and processes.

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September 29, 2019

M3AAWG Companion Document: Recipes for Encrypting DNS Stub Resolver-to-Recursive Resolver Traffic

This paper includes detailed instructions on how to install and configure a third party encrypted DNS service on Mac OS X, MS Windows, iPhone, Android and a standalone Raspberry Pi.  It is a companion document to the “M3AAWG Tutorial on Third Party Recursive Resolvers and Encrypting DNS Stub Resolver-to-Recursive Resolver Traffic,” which outlines the benefits and issues with encrypting DNS traffic.

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