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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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June 05, 2019

M3AAWG Position on Selling Email Address Lists, Version 1.01

It is the position of M3AAWG that third-party email list sales and purchases are abusive practices and that sending to purchased lists is also abusive, whether B2C, B2B or another objective.

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May 06, 2019

LACNOG-M3AAWG Joint Best Current Operational Practices on Minimum Security Requirements for Customer Premises Equipment (CPE) Acquisition

This document identifies a minimum set of security requirements that should be specified when ISPs purchase customer premise equipment to ensure that the CPE has a secure default configuration and a secure remote management and update mechanism. These joint best practices were developed by LACNOG (Latin American and Caribbean Network Operators Group) and M3AAWG, and is the product of LACNOG's original drafts by its working groups LAC-AAWG (Latin American and Caribbean Anti-Abuse Working Group) and BCOP Working Group, in cooperation with M3AAWG members, Senior Technical Advisors and the M3AAWG Technical Committee.

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March 31, 2019

M3AAWG Email Anti-Abuse Product Evaluation Best Current Practices, Updated March 2019

Outlining practices used during trial evaluations of messaging anti-abuse products or services, this document provides recommendations on processes and techniques to accurately determine a particular solution’s effectiveness. The March 2019 version includes recommendations affected by newer technology, such as cloud services, and other updates.

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March 31, 2019

M3AAWG DKIM Key Rotation Best Common Practices, March 2019

To minimize the risk of active DKIM keys being compromised, they should be changed frequently. This document was updated in March 2019 and discusses why keys should be rotated, how frequently they should be rotated, and suggests the best common practices for doing so.

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March 31, 2019

Configuring Human Readable Delivery Status Notifications (DSN), updated 2019

A discussion on improving non-deliverability status notices to better identify abuse issues, this document has been updated with minor changes for clarity and to simplify the text.

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