Re: Alternate checks for reinjected mail

On Sunday, May 29, 2005 at 15:45 CEST,
Jorey Bump <list@joreybump.com> wrote:

> Magnus B=E4ck wrote:
>
> > > #!/usr/bin/bash
> > > /usr/bin/spamc | /usr/sbin/sendmail -i "$@"
> > > exit $?
> >
> > This is not robust. What happens if either of the forks fail?
>=20
> Apparently, the mail gets delivered without filtering.

No. The script will return an exit status that will cause Postfix to
bounce the message.

> At least this is what happens when spamd is not running. I think if
> the sendmail binary failed, it would indicate a more serious problem
> that I could not easily ignore.

You assume too much. Postfix expects the exit status of such scripts
to be one of the constants defined in sysexits.h.

[...]

--=20
Magnus B=E4ck
magnus@dsek.lth.se