Remove queued mails for particular Email account – Zimbra/Postfix

Login to the server via SSH and run below command:- # /opt/zimbra/common/sbin/postqueue -p | tail -n +2 | awk ‘BEGIN { RS = “” } /navdeep.singh@the-d2\.com/ { print $1 }’ | tr -d ‘*!’ | /opt/zimbra/common/sbin/postsuper -d – Replace navdeep.singh and domain name with your choice You can also use above command on a non-zimbra server but make sure it has postfix for the mailing puprose, in this case you…

Change Zimbra Server’s IP via Command Line – CentOS / Ubuntu

su – zimbra # Below command will show you the Old IP postconf mynetworks mynetworks = # Also check via Zimbra LDAP configuration zmprov getServer | grep zimbraMtaMyNetworks # Change the IP with below command (replace hostname and IP accordingly) zmprov modifyServer zimbraMtaMyNetworks ‘’ # Now reload and restart your Zimbra services:- su – zimbra postfix reload zmcontrol stop zmcontrol start  

[Solved] Zimbra – Unable to start TLS: SSL connect attempt failed error

Error while restarting zimbra/zmcontrol service   Starting ldap…Done. Unable to start TLS: SSL connect attempt failed error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed when connecting to ldap master. Solution su – zimbra zmlocalconfig -e ldap_starttls_required=true zmlocalconfig -e ldap_starttls_supported=1 zmcontrol restart