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iRedMail will store configrations in file iRedMail-x.y.z/config duringinstallation, and ask you whether to use it for installation directlyor create a new one.

You can create a sample config file by executing iRedMail installer:

# bash iRedMail.sh

After config wizard dialogs, you will find file config under iRedMail rootdirectory. For example, /root/iRedMail-0.8.7/config. it will ask whether tostart installation or not, you can cancel it if you want.

You can copy this config file to deploy as many servers as you want, changethe hard-coded passwords in it if you want.

How to deploy a new server with sample config file:

• Copy sample config file to new server, e.g. /root/iRedMail-0.8.7/config.
• Execute iRedMail installer with shell variables:

# AUTO_USE_EXISTING_CONFIG_FILE=y     AUTO_INSTALL_WITHOUT_CONFIRM=y     AUTO_CLEANUP_REMOVE_SENDMAIL=y     AUTO_CLEANUP_REMOVE_MOD_PYTHON=y     AUTO_CLEANUP_REPLACE_FIREWALL_RULES=y     AUTO_CLEANUP_RESTART_IPTABLES=y     AUTO_CLEANUP_REPLACE_MYSQL_CONFIG=y     AUTO_CLEANUP_RESTART_POSTFIX=n     bash iRedMail.sh

Sample Deployment

Here's how i preform iRedMail tests every day with VMware Fusion on Mac OS X,all are completed automatically with a shell command.

• Install a clean, basic/minimal OS (Debian/CentOS/OpenBSD/FreeBSD, etc), setproper hostname, configure network, then shut down this server and create aVMware snapshot named Latest. The snapshot name will be used in my shellscript, it needs a snapshot name to reverse VM to the clean OS.

• Revert VM to the latest snapshot (a clean, basic, minimal OS) with VMwarecommand line tool vmrun.

• Start this VM with vmrun, sleep 30 (or 60) seconds waiting for OS start up.

• Detect network connection to this VM, if it's up, upload required files with scp:

• the latest development edition of iRedMail
• source tarballs required by iRedMail (Roundcube, iRedAdmin, iRedAPD, etc)

• downloaded RHEL/CentOS/Debian/Ubuntu/OpenBSD binary packages, FreeBSD distfiles etc. The most important one is a prepared iRedMail config file: iRedMail-x.y.z/config.

• Create/Update iRedMail installation status file: iRedMail-x.y.z/.status to skip downloading source tarballs, etc.

• Perform installation via ssh like this:

ssh root@[SERVER] "cd /root/iRedMail/ && IREDMAIL_DEBUG='NO' AUTO_USE_EXISTING_CONFIG_FILE=y AUTO_INSTALL_WITHOUT_CONFIRM=y AUTO_CLEANUP_REMOVE_SENDMAIL=y AUTO_CLEANUP_REMOVE_MOD_PYTHON=y AUTO_CLEANUP_REPLACE_FIREWALL_RULES=y AUTO_CLEANUP_RESTART_IPTABLES=y AUTO_CLEANUP_REPLACE_MYSQL_CONFIG=y AUTO_CLEANUP_RESTART_POSTFIX=n bash iRedMail.sh"

• Reboot server.

It should complete in 2-3 minutes (uploading binary packages takes most time),then i got a working iRedMail server. I do this many times every day.

I have 5 prepared iRedMail config files for different backends: OpenLDAP,MySQL, MariaDB, PostgreSQL, ldapd (OpenBSD only). i run my script with anoption to install iRedMail with specified backend like below, the script willupload proper config file to server:

# bash auto.centos7.sh ldap# bash auto.centos7.sh mysql# bash auto.centos7.sh pgsql# bash auto.ubuntu14.sh mariadb# bash auto.openbsd55.sh ldapd

Below is file of auto.centos7.sh mentioned above, it prepares VMware virtualmachine, then execute another script c7.sh to perform the real installation.

#!/usr/bin/env bash# File: auto.centos7.sh[ X"$#" != X'1' ] && echo 'No backend? ldap, mysql, pgsql' && exit 255export backend="${1}"export VMRUN='vmrun -T fusion'export VM_USER_ROOT='root'export VM_HOSTNAME='c7'export VM="/Users/zhb/vm.packages/vm/CentOS-7-x86_64.vmwarevm/CentOS-7-x86_64.vmx"echo "* Revert to the latest snapshot."${VMRUN} revertToSnapshot ${VM} Latestecho "* Start VM."${VMRUN} start ${VM}echo "* Sleep 30 seconds to wait VM start up."sleep 30echo "* Detect network status with ssh."while :; do    ssh ${VM_USER_ROOT}@${VM_HOSTNAME} "exit"    if [ X"$?" == X'0' ]; then        break    else        sleep 5    fidoneecho "* Start testing iRedMail."sh ${VM_HOSTNAME}.sh ${backend}

#!/usr/bin/env bash# File: c7.sh[ X"$#" != X'1' ] && echo 'No backend?' && exit 255backend="${1}"# hostname of your VMware virtual machine set in Mac OS X /etc/hosts.HOST="c7"echo 'copying iRedMail ...'scp -r ~/projects/iredmail/iRedMail root@${HOST}:~ >/dev/nullecho 'copying pkgs/misc ...'scp -r misc root@${HOST}:~/iRedMail/pkgs/ >/dev/nullscp -r config.${backend} root@${HOST}:~/iRedMail/config >/dev/nullecho 'copying archives ...'scp -r rhel/7/yum root@${HOST}:/var/cache/ >/dev/nullecho 'updating .status ...'ssh root@${HOST} "echo export status_check_new_iredmail='DONE' > /root/iRedMail/.status"ssh root@${HOST} "echo export status_fetch_pkgs='DONE' >> /root/iRedMail/.status"ssh root@${HOST} "echo export status_fetch_misc='DONE' >> /root/iRedMail/.status"ssh root@${HOST} "echo export status_cleanup_update_clamav_signatures='DONE' >> /root/iRedMail/.status"ssh root@${HOST} "cd /root/iRedMail/ && yum clean metadata && AUTO_USE_EXISTING_CONFIG_FILE=y AUTO_INSTALL_WITHOUT_CONFIRM=y AUTO_CLEANUP_REMOVE_SENDMAIL=y AUTO_CLEANUP_REMOVE_MOD_PYTHON=y AUTO_CLEANUP_REPLACE_FIREWALL_RULES=y AUTO_CLEANUP_RESTART_IPTABLES=y AUTO_CLEANUP_REPLACE_MYSQL_CONFIG=y AUTO_CLEANUP_RESTART_POSTFIX=n bash iRedMail.sh"ssh root@${HOST} "/usr/bin/systemctl stop firewalld"#ssh root@${HOST} "mkdir /root/pro && cp /var/www/iredadmin/settings.py /root/pro/"#scp -r clamav/* root@${HOST}:/var/lib/clamav/#ssh root@${HOST} "chown clamupdate:clamupdate /var/lib/clamav/*"ssh root@${HOST} "echo 'reboot'; reboot"