how to set the 'Return-Path' header in ActionMailer

Joe Black wrote:

how to set the 'Return-Path' header in ActionMailer.

headers 'Return-Path' => 'whatever'

should do it.

All the documentation's here:
http://api.rubyonrails.org/classes/ActionMailer/Base.html

Chris

Nope. TMail strips that particular header off. See the rest of the
thread for clarification and a workaround.