From: Hari Hendaryanto on
Sylvain Ferrand wrote:
> Hello,
> I would like to overwrite the "display-name" (i.e. the sender
> description string in the the From: field. - cf. RFC 5322 sec 3.4) set
> by the MUA. Is it possible to rewrite the "display-name" (1) in the
> "From:" header on a postfix server ?
> Thanks in advance,
> Sylvain Ferrand
This was exactly what i'm doing years a go.rewriting my users real name
defined in mysql database instead of their From: defined in MUA.
I've published the prototype i wrote here:

Sorry, it's in indonesian.i hope that articles lead you to some clues