transport = ${if eq {special_tpt}{$local_part} {smtp2}{smtp}}
headers_remove = X-hdr-rtr
headers_add = X-hdr-rtr-new: $h_X-hdr-rtr:+++
transport = ${if eq {special_tpt}{$local_part} {smtp2}{smtp}}
headers_remove = X-hdr-rtr
headers_add = X-hdr-rtr-new: $h_X-hdr-rtr:+++