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Date:      Thu, 28 Aug 2008 10:17:09 +0100
From:      Jonathan Belson <jon@witchspace.com>
To:        glarkin@FreeBSD.org
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Changing 'From:' address of periodic scripts
Message-ID:  <48B66D15.5080104@witchspace.com>
In-Reply-To: <48A05902.8060103@FreeBSD.org>
References:  <48A00C8C.4060105@witchspace.com> <48A05902.8060103@FreeBSD.org>

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Greg Larkin wrote:
> Jonathan Belson wrote:
> | Hiya
> |
> | I set up a remote box to e-mail 'periodic' output to me directly.  It
> | has now
> | stopped working, and I suspect it's because the 'From:' addresses of the
> | status
> | e-mails is of the form 'root@mybox.local' and the ISP has upped its
> | anti-spam
> | checks.
> |
> | I see /usr/sbin/periodic itself uses the 'mail' command to send the
> | mails, but I
> | couldn't see a command line option to specify a 'From:'.  I guess 'mail'
> | uses
> | 'sendmail' to send e-mail; is there a simple way of forcing a 'From:'
> | address
> | via 'sendmail' config?
> |
> Hi Jon,
> 
> Have a look at this: http://www.sendmail.org/m4/masquerading.html and
> perhaps this, too: http://www.madboa.com/geek/sendmail-genericstable/
> 
> You can rewrite root@mybox.local to appear as though it's coming from a
> real email address by using the techniques on those pages.
> 
> Please post back here if you run into any trouble!

OK, thanks.  After playing with MASQUERADE_AS(), MASQUERADE_DOMAIN() plus a few 
FEATURES(), I've managed to change the 'From:' address for e-mails sent via the 
command line.  Unfortunately, e-mails sent via the cron-ed periodic scripts 
still don't get through, although if I run e.g. 'periodic daily' from the 
command line, the mail does reach me.

The only difference I can think of is that cron runs the scripts as root.  Could 
this cause the difference?

Cheers,

--Jon



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