Wietse Venema:
> Jaroslaw Rafa:
> > Hello,
> > I want to do sender address rewriting on outgoing mail similar to what
> > sender_canonical_maps does, but only for mail that is sent to one
> > particular domain (for example gmail.com). If the mail has no recipients in
> > that domain, rewriting should not be done.
>
> In master.cf, configure a dedicated SMTP delivery agent with a
> "-o smtp_generic_maps=maptype:mapname" override.
>
> Use transport_maps to select that delivery agent for deliveries to
> the domain that needs address rewriting.
>
> This rewrites {envelope, header} {sender, recipient} addresses.
>
> See also: https://www.postfix.org/SOHO_README.html#fantasy for
> the primary use case of smtp_generic_maps.
Note that the address mapping can be done with static strings (hash:,
lmdb:) or with regular expressions if that is more convenient, or
a mix of both.
... smtp -o { smtp_generic_maps = map1, map2, ...}
Wietse
