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