r2:
driver = redirect
+ headers_remove = Remove-Me-Also:
headers_remove = Remove-Me:
data = $local_part@domain
driver = accept
headers_remove = Remove-Me:
headers_add = X-Was-Remove-Me: >$h_remove-me:<
+ headers_add = ${if def:h_remove-me-also {X-Was-Remove-Me-Also: >$h_remove-me-also:<}}
transport = t1