adding a patch to smtpclient it is possible to change the full header of an email. Reproducible: Always
Created attachment 140648 [details] the updated ebuild
Created attachment 140649 [details, diff] patch for smtpclient patch adds fullheaders useflag
Created attachment 140650 [details] perl script to redeliver mail script is used to pick up an email and send it again using smtpclient
Reassigning to herd since eradicator has left Gentoo.
Closing as mail-client/smtpclient is no longer in the tree.