You getting this error " zimbra 451 4.3.5 Server configuration problem" in zimbra.log. How to this is solved problem. You may reading link as below: zimbra some service are not running How to install and configure zimbra multi server How to Restrict Sending to Distribution list in zimbra mail zimbra 451 4.3.5 Server configuration problem The log error as below: Jan 22 11:31:36 mta postfix/smtpd[9984]: NOQUEUE: reject: RCPT from unknown[198.54.114.232]: 451 4.3.5 Server configuration problem; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<HuuPV> How I do it.... The first To increase RAM, CPU for your zimbra system. For example, if your zimbra system  size medium and larger. To increase >= 16GB RAM and >= 8 CPU for zimbra MTA system. The second To configure cbpolicyd.conf.in file with parameter min_servers, min_spare_servers, max_spare_servers, max_servers, max_requests the appropriate for your zimbra system configu

I will writing the script for create multiple accounts from csv file. To create Accounts.csv file To use bash script create multiple accounts in zimbra To execute zimbra_account.sh bash script I'm created Accounts.csv file # cat Accounts.csv  The content Accounts.csv file as below: [email protected],123456789,Huu1,Phan Van,Phan Van Huu1 (IT),mail.huuphan.local [email protected],123456789,Huu2,Phan Van,Phan Van Huu2 (IT),mail.huuphan.local zimbra create multiple accounts csv file full script zimbra create multiple accounts with zimbra_account.sh name #!/bin/bash # File Accounts.csv as below: # [email protected],123456789,Huu1,Phan Van,Phan Van Huu1 (IT),mail.huuphan.local # [email protected],123456789,Huu2,Phan Van,Phan Van Huu2 (IT),mail.huuphan.local DATE=$(date) OLDIFS=$IFS IFS=',' File_Name="/opt/Account/Accounts.csv" Out_log='/tmp/outfile.log'         echo "$DATE - To create account Email" | te

# In this tutorial, we will cover how to create multiple accounts in Zimbra using a file containing a list of commands for creating email accounts. To automate the account creation process, we will use a script.  For this purpose, we will create a commands.zmp file that contains the necessary commands for creating the accounts." How to do it....? Step 1: To create commands.zmp file with the content as top The content commands.zmp file you changed the appropriate attributes of your account Account: [email protected] Password: 123456789 SN: huupv1 displayName: 'Huu1, Phan Van (IT)' zimbraMailHost: mail.huuphan.local you can ref to zmprov command create accounts Step 2: To use zimbra account su - zimbra Step 3: To use zmprov command to create multiple accounts zmprov -f commands.zmp The conclusion zimbra create multiple accounts atop very simple. However, I recommend use script to create multiple accounts for file .csv. I will writing the scri

In this tutorial, How to uninstall zimbra on centos or ubuntu. To uninstall zimbra Collaboration Suite as below: To use zmcontrol stop  To uninstall zimbra To remove zimbra folder  To reboot server  To check zimbra services Step 1 : To stop zimbra use zmcontrol stop Step 2 : To run script uninstall zimbra on server Step 3 : To remove zimbra folder Step 4 : To reboot server