[CentOS] redirecting some addresses with sendmail

Sun Apr 9 22:48:34 UTC 2006
Mike Kercher <mike at vesol.com>

centos-bounces at centos.org <> scribbled on Sunday, April 09, 2006 3:14

> I have a fully working cyrus+sendmail mail server hosting all
> users for foo.com. Company foo has been acquired by company
> bar and it has been decided that bar.com is the new domain of
> choice. The administrator of bar.com has added a pile of
> redirects to send various user at bar.com addresses so they come
> up to my server at foo.com. My users have changed their From:
> addresses to user at bar.com and we have a basic working system.
> However, if one user in former company foo mails another user
> in the same office their mail now goes offsite to bar.com's
> mail server and is then redirected back in again, which works
> but is bad for bandwidth.
> Ideally I'd like to teach sendmail that a subset of bar.com
> users are now local. However if I try this in the
> /etc/aliases file, I get the warning "cannot alias non-local names".
> Has anyone got any better ideas how to do this- or a better
> suggestion as to where I should ask this question again?

Did you try the virtusertable instead of aliases yet?