How to get a list of all distribution list members
Check the account names and email addresses in each distribution list (email) by copying the script below and running it as the zimbra user. #!/bin/sh echo > /tmp/groupslist.tx
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392 notes on Linux, tools and troubleshooting
How to get UUID of the hard disk in Linux syetem
Newer Linux versions use UUIDs to identify hard disks instead of device names. This prevents the system from using the wrong disk when there is more than one and a disk fails or is removed…
How to monitor Zimbra services
Monitoring and checking Zimbra mail services is important for system administrators, who need to learn promptly when the system fails.
How to manual purging the Zimbra mailbox dumpster
To remove Dumpster data for a particular user from the system, run the following commands. Zimbra Collaboration Server 7.x.x zmmailbox -z -m [email protected] mbox [email protected]> emptyDumpster or zmsoap -z
How to enable Dumpster or Email Retention Policy
Since zimbra 7.0, a new feature called "Dumpster" has allowed users to recover email, calendars and contacts after they have been deleted from trash, helping them recover data quickly.
How to detect and prevent brute force attacks on Zimbra
Password policies in ZIMBRA can help prevent malicious users from guessing passwords through brute-force attacks, but this approach does not appear to resolve the problem completely.
How to set web server mode on Zimbra mail
To make webmail work over http, https, or both, change its operating mode using the steps below. Run the following command to change…
How to monitor messages statistics of Zimbra mail server
Zimbra provides monitoring that helps check system status and performance effectively, but it lacks monitoring of email sending and receiving statistics that would help administrators.
Definition of DNS status: NXDOMAIN, NOERROR and SERVFAIL
NXDOMAIN, NOERROR, and SERVFAIL are DNS query statuses. Understanding them helps interpret what happened when looking up domain records.