m.seaman at infracaninophile.co.uk
Thu May 13 04:16:02 PDT 2004
On Thu, May 13, 2004 at 12:51:34PM +0200, Ian Barnes wrote:
> 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:
and then process that into the .db hash format sendmail will
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
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614 Bucks., SL7 1TH UK
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