“Reply-To” Munging Still Considered Harmful. Really.
People still using these two documents to debate the issue are wasting everybody’s time. The issue was definitively settled in 2001, and Chip won.
MetaSystema.Net: Reply-To Munging Considered Useful
While the message is being processed, the list administrator might take advantage of the opportunity to munge some of the message headers. Many list administrators want to add a Reply-To header that points back to the list. This transformation is also one