MailEnable allows you to set smarthosts on a serverwide basis,
or only for particular domains. To set a serverwide smarthost, you
would:



1) Open the MailEnable Administrator

2) Expand Servers -> localhost -> Connectors

3) Right click on SMTP and select Properties

4) Choose the tab labled “Smart Host”

5) Put a check next to “Smart Host Enabled” and enter either the IP or the servername of the server you wish to forward mail to.



To set a smarthost for a particular domain only:



1) Open the MailEnable Administrator

2) Expand Messaging Manager -> Post Offices -> $Domain

3) Click on the “Domains” folder

4) Right click on the domain in the righthand box and select properties

5) Put a checkmark next to “Act as Smart Host” as well as “Only relay from authenticated users”

6) Add the IP/hostname of the server you wish to relay through