On 29/06/16 17:02, Chip wrote: > If Return-path is added by receiving MTA, as you say, below, and that it > contains the MAIL FROM, then why do I see the following in source code > of received message in which return-path does not match From?
Could I respectfully suggest that you read up on the difference between the envelope sender and the From header, for example here: http://blog.tidymail.co.uk/glossary/smtp-envelope/ The two are not necessarily the same, and in fact in the examples you showed they were not.
