On 18 August 2011 16:06, Edwin Ngige <edwinngige@gmail.com> wrote:

Am using Zimbra on a server which works well on my main domain.
I have other domains where secondary preferred pref points to this server.
What I want to achieve is, the main server to be queueing mails for other domains if the first preferred server is down or unreachable.
Zimbra works together with postfix.
Linux Guru`s pls assist.

Not guru but do the following - GUI will lead you int he same direction;

[note the config file may change] - E&OE

under the /etc/postfix/main.cf

relay_domains = abc.com, edf.com, ede.co.ke, add_your_relay_domain _here ()

then add this line to the same file

transport_maps = hash:/etc/postfix/transport

Then edit /etc/postfix/transport and add this line at the botton

example.com : w.x.y.z (replace with primary mx server ip/hostname)

finally create/recreate transport database map file
postmap /etc/postfix/transport

Wilson.

Edwin
254 722 841853

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