Hans Ginzel:
> On Tue, Aug 25, 2015 at 11:30:07AM +0200, Christian Kivalo wrote:
> >Maybe this applies to your problem, from
> >http://www.postfix.org/header_checks.5.html
> >
> > Message headers added by the cleanup(8) daemon itself are
> >excluded from inspection. Examples of such message headers are From:,
> >To:, Message-ID:, Date:.
>
> Thank you, Christian!
>
> But how to influence the way Cleanup is creating the From: header
> for a particular user? Not to use the e-mail address
> username@hostname.domainname
> but a specific one? And not to use the user full name from gecos field from
> /etc/passwd.
>
Try using smtp_header_checks instead.
Wietse
