-----Original Message-----
>2.6.6, though many years past EOL, is indeed later than 2.6, so WHEN [the >listed headers are] NOT >PRESENT they are added ONLY WHEN CLIENTS MATCH THE >local_header_rewrite_clients >PARAMETER SETTING. That's the default setting >of "no" for always_add_missing_headers. > >The Postfix 2.5 and prior behavior was to ALWAYS add these headers if missing, >regardless of the >client address. Thank you.
