How do I have sendmail forward emails from root...

[Matthew Seaman]

On Wed, Dec 17, 2003 at 05:21:55PM -0500, Michael E. Mercer wrote:
> In /etc/mail, I ran:
> make cf maps aliases install stop start
> 
> after every change...
> 
> More info, now that I think of it. The mail server is getting the
> emails, but kicks it back because
> the the "From:"  header has an unknown host.
> root at dual.mmercer.com
> 
> How do I remedy this?

'root' is by default a member of class E in the sendmail config --
that's "Exposed users" or users who are exempt from masquerading.
Emails from that clas of UID will have the FQDN of the sending host as
the RHS of the e-mail address.

The answer is to add the names of all of the hosts that your smart
host handles mail for to /etc/mail/local-host-names (one per line).

	Cheers,

	Matthew

-- 
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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