How to setting password policies in zimbra? To help your system increase security, password strongest. To get all COS use zmprov command su - zimbra zmprov gac -v | grep Password | sort | uniq To display all attributes as below zimbraFeatureChangePasswordEnabled: TRUE zimbraMobilePolicyAllowSimpleDevicePassword: FALSE zimbraMobilePolicyAlphanumericDevicePasswordRequired: FALSE zimbraMobilePolicyDevicePasswordEnabled: TRUE zimbraMobilePolicyDevicePasswordExpiration: 0 zimbraMobilePolicyDevicePasswordHistory: 8 zimbraMobilePolicyMaxDevicePasswordFailedAttempts: 4 zimbraMobilePolicyMinDevicePasswordComplexCharacters: 0 zimbraMobilePolicyMinDevicePasswordLength: 4 zimbraMobilePolicyPasswordRecoveryEnabled: TRUE zimbraPasswordEnforceHistory: 0 zimbraPasswordLocked: FALSE zimbraPasswordLockoutDuration: 1h zimbraPasswordLockoutEnabled: FALSE zimbraPasswordLockoutFailureLifetime: 1h zimbraPasswordLockoutMaxFailures: 10 zimbraPasswordMaxAge: 0 zimbraPasswordMaxLength:

In this tutorial, How to " Backup and restore for zimbra mailbox ". How to backup mailbox for accounts? How to restore mailbox for accounts? The format list_account file as below: [email protected] [email protected] The script backup mailbox for all accounts #!/bin/bash FILE= /tmp/list_account DATE=$(date +"%a") ZMBOX=/opt/zimbra/bin/zmmailbox while read account do      echo "---Generating files from backup $account ---"      $ZMBOX -z -m $account -t 0 getRestURL "//?fmt=zip" > /tmp/$acount.$DATE.zip done < $FILE The script restore mailbox for all accounts #!/bin/bash FILE=/tmp/list_account DATE=$(date +"%a") ZMBOX= /opt/zimbra/bin/zmmailbox while read account do     echo "---Restoring files from backup $account---"     $ZMBOX -z -m $account -t 0 postRestURL "//?fmt=zip&resolve=reset" /tmp/$account.$DATE.zip done < $FILE Note: if you setup multi-server Zimbr

inotifywait - wait for changes to files using inotify. To install inotify-tools on centos sudo yum install inotify-tools To install inotify-tools on ubuntu sudo apt-get install inotify-tools For example, how to monitor folder /home/huupv with action create,delete,modiy,move. The scripts as below: #!/bin/bash #Author huupv #My blog huuphan.com inotifywait -m -r /home/huupv -e create -e delete -e modify -e move | while read FOLDER ACTION1 ACTION2 ACTION3 ACTION4 do         echo "Path $FOLDER Create $ACTION1" >>/tmp/output         echo "Path $FOLDER Delete $ACTION2" >>/tmp/output         echo "Path $FOLDER Modify $ACTION3" >>/tmp/output         echo "Path $FOLDER Move $ACTION4" >>/tmp/output done The man page inotifywait man inotifywait NAME        inotifywait - wait for changes to files using inotify SYNOPSIS        inotifywait  [-hcmrq]  [-e  <event> ] [-t <seconds> ] [--format <fmt> ]

in my post, How to enable swap-drive on linux. The solve problem "Swap Not working" on linux such as centos, Fedora 25.  The open terminal, to check status of swap space ( as run root account) . swapon -s lsblk As the content below NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT sr0     11:0    1  1024M  0 rom sda      8:0    0 465.8G  0 disk ├─sda4   8:4    0 202.1G  0 part ├─sda2   8:2    0 105.9G  0 part / ├─sda5   8:5    0  12.9G  0 part [SWAP] ├─sda3   8:3    0     1K  0 part ├─sda1   8:1    0   487M  0 part └─sda6   8:6    0 144.4G  0 part /media/installed To turn on swap-drive /dev/sda5 swapon /dev/sda5 To make this permanent start-up on the system vim /etc/fstab  As the content below /dev/sda5 swap swap defaults 0 0 To check, if swap drive that work! free -h As the content below               total        used        free      shared  buff/cache   available Mem:           3.6G        2.2G        123M        321M        1.3G        

Links to below you maybe likes: How to zimbra enforce spf checking for incomming email How to use cbpolicyd to configure 120 message from sender in last 30s. in order configure in zimbra cbpolicyd policies -->policy_members -->quotas -->quotas_limits To create zimbra-example.sql file BEGIN TRANSACTION; INSERT INTO "policies" (ID,Name,Priority,Description) VALUES(6,'Example CBPolicyd Policies', 0, 'Example CBPolicyd Policies'); INSERT INTO "policy_members" (ID,PolicyID,Source,Destination) VALUES(10,6, 'user@domain', '!%internal_domains'); INSERT INTO "quotas" (ID,PolicyID,Name,Track,Period,Verdict,Data) VALUES (14,10, 'Sender:user@domain','Sender:user@domain', 30, 'REJECT', 'Rejected from CBPolicyd: Too many messages from sender in last 30s'); INSERT INTO "quotas_limits" (ID,QuotasID,Type,CounterLimit) VALUES(16,14, 'MessageCount', 120); COMMIT; To