Date: Thu, 10 Feb 2005 21:27:19 +1030 From: Ian Moore <no-spam@swiftdsl.com.au> To: freebsd-questions@freebsd.org Cc: Ted Mittelstaedt <tedm@toybox.placo.com> Subject: Re: Sendmail masquerading configuration Message-ID: <200502102127.27393.no-spam@swiftdsl.com.au> In-Reply-To: <LOBBIFDAGNMAMLGJJCKNGEFBFAAA.tedm@toybox.placo.com> References: <LOBBIFDAGNMAMLGJJCKNGEFBFAAA.tedm@toybox.placo.com>
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On Wed, 9 Feb 2005 17:21, Ted Mittelstaedt wrote:
> > -----Original Message-----
> > From: owner-freebsd-questions@freebsd.org
> > [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Ruben de Groot
> > Sent: Tuesday, February 08, 2005 4:47 AM
> > To: Ted Mittelstaedt
> > Cc: Ian Moore; freebsd-questions@freebsd.org
> > Subject: Re: Sendmail masquerading configuration
> >
> > > X-Authentication-Warning: myhost.foo.bar: root set sender to
> > > someuser using -f
> >
> > Sorry, but this simply isn't true. I have just tested this. Warnings
> > like this might get generated when you remove root from the
> > TRUSTED_USERS macro; *NOT* when you remove it from EXPOSED_USERS.
>
> Your right, me bad!
>
> > > It also makes it harder to troubleshoot when someone external to
> > > your system is sending bogus junk to you.
> >
> > I agree. As I said in the part of my message you snipped:
> >
> > "BTW, I agree that masquerading is NOT the proper way to do
> > these things."
> >
> > > And while it's not applicable now, with older versions of sendmail
> > > this would definitely break all your scripts that used e-mail.
> > >
> > > Use of the -f flag is what he needs to do.
> >
> > Fine. But the OP's problem concerned mail send by cron. How would you
> > instruct cron to use the -f flag? (There's a MAILTO environment
> > variable in cron, but no MAILFROM)
>
> I would probably install src/usr.sbin/ and recompile cron to use
> the -f flag. The flags are settible in cron/config.h in the source,
> FreeBSD uses
>
> #define MAILARGS "%s -FCronDaemon -odi -oem -oi -t" /*-*/
>
> just change this to
>
> #define MAILARGS "%s -FCronDaemon -froot@verizon.net -odi -oem -oi -t"
> /*-*/
>
> Ted
>
Thanks, I'll give that a go.
BTW, using C{E} instead if C{E}root plus the MASQUERADE_AS macro doesn't se=
em=20
to work. I didn't try the MASQUERADE_ENVELOPE macro with it though.=20
Actually, even sending mail as my own local user on the system ends up with=
=20
the hostname added in. Perhaps I'm doing something wrong.
Anyway, from what you've both said, rebuilding cron sounds like a better=20
solution. Once I've modified the source, do I just do a make install from=20
the /usr/src/usr.sbin/cron directory?
Cheers,
=2D-=20
Ian
GPG Key: http://home.swiftdsl.com.au/~imoore/no-spam.asc
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