Adam Moffett:
> I'd want to reject the message only if the from: header contained a
> fake/non-existent address at a local domain. Can postfix do that?
This is not built-in. You can try to do this with a number of
extension mechanisms:
- header_checks with a socketmap: or tcp: based lookup table.
Return REJECT for mail that you don't want.
- External content-filter plugin (Milter, amavisd-new, etc.). Milters
can be written in Python and other popular languages. Amavisd-new
allows you to plugin a variety of content filters.
Wietse