ian at cerebellum.za.net
Thu May 13 04:31:18 PDT 2004
Thanks for the reply. Yes we want cron to be run as root. Okay, we are
running exim, so I will see what i can do.
> -----Original Message-----
> From: Matthew Seaman [mailto:m.seaman at infracaninophile.co.uk]
> Sent: 13 May 2004 01:16 PM
> To: Ian Barnes
> Cc: questions at freebsd.org
> Subject: Re: Cron Mailing
> On Thu, May 13, 2004 at 12:51:34PM +0200, Ian Barnes wrote:
> > Hi,
> > I am trying to find out if something is possible. On our
> servers we would
> > like all mail from cron not to come from root at boxname but
> rather from say
> > ian at boxname.
> I assume you still want the jobs to be run by root though, otherwise
> you could just use the 'ian' account's crontab file.
> > Is this possible? Am i making sense :P ??
> Sure. 'root' always used to be special cased so that emails from
> there don't go through address rewriting. But since sendmail-8.10
> that's no longer the case. Just use the normal genericstable
> mechanisms to rewrite the sender address. Read through the bits of
> /usr/share/sendmail/cf/README that deal with genericstable first, but
> essentially what you need is:
> i) Make sure your /etc/mail/`hostname`.mc file contains:
> FEATURE(genericstable, `hash -o /etc/mail/genericstable')dnl
> if not, add it to the .mc file and rebuild sendmail.cf and
> restart sendmail in the usual way:
> # cd /etc/mail
> # vi `hostname`.mc
> # make all install restart-mta
> ii) Edit the /etc/mail/genericstable file to set up the e-mail
> address mappings you need. That will be, minimally:
> root ian
> and then process that into the .db hash format sendmail will
> # make
> iii) That's all you need to do. Send some e-mails as root to test.
> Nb. this rewrites all e-mail from root at box.name, not just the stuff
> emitted by cron. If you want to do that, it's going to be much harder
> to achieve.
> Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
> Savill Way
> PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
> Tel: +44 1628 476614 Bucks., SL7 1TH UK
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