Latest revision as of 17:17, 15 July 2010

Adding a Second Postfix Instance on one Server

ip addr add 1.2.3.4/8 dev eth0 # or see /etc/network/interfaces

rsync -av /etc/postfix/ /data/postfix/conf

mkdir /data/postfix/spool && rsync -av /var/spool/postfix/{dev,etc,lib} /data/postfix/spool/

mkdir /data/postfix/data; chown postfix.postfix /data/postfix/data

inet_interfaces = 1.2.3.4
smtp_bind_address = 1.2.3.4
queue_directory = /data/postfix/spool/
data_directory = /data/postfix/data/

alternate_config_directories = /data/postfix/conf/

postfix post-install config_directory=/data/postfix/conf/ set-permissions upgrade-configuration create-missing

postfix -c /data/postfix/conf/ check
postfix -c /data/postfix/conf/ start

@@ Line 4: / Line 4: @@
   ip addr add 1.2.3.4/8 dev eth0 # or see /etc/network/interfaces
 * Copy the /etc/postfix directory and all files
-  rsync -av /etc/postfix /tmp/
+  rsync -av /etc/postfix/ /data/postfix/conf
 * Create an additional spool directory
-  mkdir /tmp/spool
+  mkdir /data/postfix/spool && rsync -av /var/spool/postfix/{dev,etc,lib} /data/postfix/spool/
 * Create an additional data directory
-  mkdir /tmp/data; chown postfix.postfix /tmp/data
+  mkdir /data/postfix/data; chown postfix.postfix /data/postfix/data
 * Edit the config files
-** /tmp/postfix/main.cf
+** /data/postfix/conf/main.cf
-  inet_interfaces =1.2.3.4
+  inet_interfaces = 1.2.3.4
   smtp_bind_address = 1.2.3.4
-  queue_directory = /tmp/spool/
+  queue_directory = /data/postfix/spool/
-  data_directory = /tmp/data
+  data_directory = /data/postfix/data/
 ** /etc/postfix/main.cf (default configuration file)
-  alternate_config_directories = /tmp/postfix/
+  alternate_config_directories = /data/postfix/conf/
+* use postfix-install to create missing files and set/update the permissions
+ postfix post-install config_directory=/data/postfix/conf/ set-permissions upgrade-configuration create-missing
 * check & start
-  postfix -c /tmp/postfix/ check
+  postfix -c /data/postfix/conf/ check
-  postfix -c /tmp/postfix/ start
+  postfix -c /data/postfix/conf/ start