Related Resources

Deliverability Resources - Deliverability.com

Reputation & Authentication Resources - Return Path

ReputationWiki.org - Habeas

Vouch by Reference (VRB) - Domain Assurance Council   Overview          Guides

Compliance with email authentication standards requires the ability to create and publish DNS TXT records.
Many businesses get their DNS hosting services from a domain registrar or other third party provider.

DNS TXT Support - Compliance with email authentication standards requires the ability to create and publish DNS TXT records. Many businesses get their DNS hosting services from a domain registrar or other third party provider. If your DNS provider does not support TXT records, you will not be able to comply with email authentication standards. We recommend contacting your DNS service provider or your domain registrar to ask if they offer support for email authentication standards, specifically including publishing DNS TXT records.
View the list of providers that do support TXT records       Add your domain registrar to the list.

Authentication, Accreditation & Reputation -- For Marketers! (The DMA)
Helps marketers navigate the evolving email delivery landscape and emerging authentication, accreditation & reputation solutions with practical, plain-English advice. 

Sender Verification Tool to Test SPF / Sender ID Records
Automated testing tool to verify Sender ID and Domain Keys implementation. To use the tool, send an e-mail to check-auth@verifier.port25.com.
In return, you receive a reply containing an analysis of the authentication status of the message you sent. (Hosted by Port25)

Verification Tools from ESPC - Allows you to check the format of any DKIM, SenderID or SPF records published by your domain and to see the result of these authentication checks on any message you send to it. (Hosted by ESPC)

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revised 1/19/08