Move sendmail from Fedora 1 to a different server ( fedora 12)

Posted by tanieboy4u on Server Fault See other posts from Server Fault or by tanieboy4u
Published on 2010-04-08T15:44:56Z Indexed on 2010/04/08 16:23 UTC
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We have a sendmail server that also works as DHCP, DNS, and a gateway to our ISP. It has three network interfaces, one for our ISP ( static IP) and the other two is for LANS on different subnet. The hardware is quite old and we've been experiencing downtime due to hardware failures, so we have decided to upgrade the hardware and while at it upgrade the linux OS to Fedora 12. Were trying to do this with minimal downtime.

We are planning to take these steps.

  1. Install New OS (Fedora 12) on the new server with 3 network interfaces.
  2. Install DHCP, BIND, Sendmail, SpamAssassin, MailScanner, Dovecot, Squirrelmail on the new server.
  3. Transfer settings from the old server to the new server. ( This is the hardest part that we know). For DHCP and DNS, we can just copy the dhcp leases and conf file and everything should work right?

How do we go about moving the users/email accounts from the old server to the new one?

Thanks for all your help!

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