Peter Micunek:
> Wietse,
>
> It seems that you helped me.
>
> Thanks a lot
Good. for posteriority, the examples below uses smtp_header_checks
syntax instead of smtp_generic_checks syntax. Either feature should
do the job, when used appropriately.
Wietse
> PM
>
> On Tue, 8 Feb 2011 10:26:19 -0500 (EST), Wietse Venema wrote
> > Wietse Venema:
> > > Peter Micunek:
> > > > Wietse,
> > > >
> > > > problem is that I need to have one domain in the field "MAIL FROM:"
> > > > for all emails come from particular client for example 10.10.10.10
> > > > to my postfix server. The mail header field "From:" will be
> > > > preserved.
> > >
> > > You need to configure as follows:
> > >
> > > 1) Configure Postfix to preserve the From: address in mail from
> > > this client. For control over Postfix header rewriting, see:
> > > http://www.postfix.org/postconf.5.html#local_header_rewrite_clients
> > >
> > > 2) Configure the client to send mail with the "right" From: address.
> > > The details for doing this are specific to the client.
> >
> > If (2) is not possible, you can use a null content filter instead,
> > where a customized Postfix SMTP client "replaces" the From: header
> > using PCRE regular expressions, and then sends the result directly
> > into a Postfix SMTP server on 127.0.0.1 port 10026.
> >
> > /etc/postfix/main.cf:
> > smtpd_client_restrictions =
> > check_client_access hash:/etc/postfix/client_access
> >
> > /etc/postfix/client_access:
> > 10.10.10.10 FILTER foobar:127.0.0.1:10026
> >
> > /etc/postfix/master.cf:
> > foobar unix - - n - - smtp
> > -o smtp_generic_maps=pcre:/etc/postfix/foobar_generic.pcre
> > 127.0.0.1:10026 inet n - n - - smtpd
> > -o receive_override_options=no_address_mappings,no_milters
> >
> > /etc/postfix/foobar_generic.pcre:
> > /^From: something/ REPLACE From: something
> >
> > This assumes that you aren't already using FILTER for other purposes.
> >
> > References:
> > http://www.postfix.org/FILTER_README.html
> > http://www.postfix.org/master.5.html
> > http://www.postfix.org/postconf.5.html#receive_override_options
> > http://www.postfix.org/postconf.5.html#smtp_generic_maps
> > http://www.postfix.org/generic.html
> > http://www.postfix.org/pcre_table.html
> >
> > Wietse
>
>
> -----------------------------------------------
> Stavebna fakulta STU, Bratislava
> Faculty of Civil Engineering STU, Bratislava
> http://www.svf.stuba.sk
>
>
>
>
