[CentOS] root email question

Peter Farrow peter at farrows.org
Mon Oct 30 23:26:00 UTC 2006

There is an "exposed user" setting in sendmail.cf whose behaviour can be 
adjusted by recompiling with sendmail.mc

The relevant settings are here in sendmail.cf

# class E: names that should be exposed as from this host, even if we 

So if you set the machine to masquerade a domain as "domain.com" for 
example, take out the class C{E}root

You may find this a useful link (note the site is not associated with me)



Will McDonald wrote:
> On 30/10/06, Tony Wicks <tony at prophecy.net.nz> wrote:
>> Hi all, Ive done this before but the solution alludes me now. Can
>> someone please remind me how to change the default Redhat behavior of
>> root email being sent from root at server.domain to root at domain. It's
>> something in sendmail.mc from memory.
>> From memory, Sendmail will default to user at host if there's no fully
> qualified domain name for either localhost or the system's 'base' IP
> address in /etc/hosts.
> There's probably a more correct Sendmail approach too. Checking
> /etc/mail/sendmail.mc
> LOCAL_DOMAIN(`localhost.localdomain')dnl
> Looks a likely candidate.
> Will.
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