Tag Archives: MTA

The List-Unsubscribe header

Posted by Franck Martin on 2010/03/25 3 comments

How to use the List-Unsubscribe email header for easier unsubscription request handling.

DKIM and ADSP: State of deployment

Posted by Franck Martin on 2009/10/27 2 comments

Author Domain Signing Policy (ADSP) is a new specification which gives a policy hint on what to do when the DKIM verification fails. This post details rate of adoption and problems.

Sending Email via IPv6: A Survey

Posted by Franck Martin on 2009/09/14 11 comments

Survey of 500,000 email domains to analyze pervasiveness of support for receiving email via IPv6. Uses MX records and AAAA records.

A Modern Message Transfer Agent

Posted by Franck Martin on 2009/06/22 1 comment

How Genius.com uses MessageSystems to manage all aspects of our email delivery infrastructure from initial sends to reputation to bounce processing to capacity scaling