I did this analysis awhile back when I first started to add some of the
various LMAP-based proposals in our smtp server. I just finished up the
document. I think it may help show how LMAP and dynamic vs. post RCPT
validations plays a key role in LMAP results and usage.
"The Association of the Sender IP and SMTP Envelope Domains:
LMAP Validation and Trust Analysis"
Hector Santos, Santronics Software, Inc.