Linux server configuration,Zimbra
Knowledge Ocean
this is for linux mail admin
How to delete message from zimbra mail account command line CLI 1) Delete All messages from a zimbra Account Use below command,<See backup and restore Zimbra> [email protected][~]$ su zimbra [[email protected] root]$ zmmailbox -z -m [email protected] emptyFolder /Inbox 2) Delete particulate message from zimbra mail account. use below command to […]
Read morezimbra HSM Configuration HSM stands for Hierarchical Storage Management , Administrator con configure policy to move message from high performance/costly storage <SAN> to Low performance/inexpensive storage <NAS>. default policy in zimbra is 365 days, that meant message automatically from SAN to NAS older then 365 days. it is nature […]
Read more
Best way to prevent server IP blacklist for outgoing spamming control, Email Security Best Practices-DMARC with SPF DKIM Outgoing email to an email server around, DMARC, rDNS, SPF, DKIM, always external security to protect mail system, SPF and SenderID Sender Policy Framework (SPF) is an e-mail verification method, […]
Read morezimbra proxy and mailstore basic setting Zimbra proxy unable to connect to Mailstore that meant zimbraMailReferMode not set Run below commands on Proxy server zmprov -l gs `zmhostname` | grep -i refer zmprov ms `zmhostname` zimbraMailReferMode reverse-proxied zmproxyctl restart zmprov -l gs `zmhostname` | grep -i target Run below […]
Read more
How to add mail disclaimer in Zimbra Enable mail disclaimer, it is the global on/off switch zmprov mcf zimbraDomainMandatoryMailSignatureEnabled TRUE Adding disclaimers to a domain takes multiple steps. The first step is to add the disclaimer text into the LDAP server: Text Example zmprov md knowledgelinux.com zimbraAmavisDomainDisclaimerText “text disclamer” HTML […]
Read more
How to restrict users to send mail locally in zimbra This is document can fellow all version of ZCS8.X.X 1:Open smtpd_recipient_restrictions.cf file and add below line vim /opt/zimbra/conf/zmconfigd/smtpd_recipient_restrictions.cf check_sender_access lmdb:/opt/zimbra/postfix/conf/restricted_senders 2) Open zmconfigd.cf file and Search “SECTION mta” past just below vim /opt/zimbra/conf/zmconfigd.cf POSTCONF smtpd_restriction_classes local_only POSTCONF local_only FILE postfix_check_recipient_access.cf 3) Create below […]
Read more
Mail Account migration from Any to Any mail system create a input file name input.txt [email protected];pasword123;[email protected];pasword123 [email protected];pasword123;[email protected];pasword123 etc… IMAP sync naver overwrite mails from source to distination. if mail index already exsits on new mail server then that mail will not move from source to distination. below is looping […]
Read more
How to send mail from zimbra command line There are two method to send mails command line from zimbra server based on ZCS Roles. 1) Send mail from Zimbra MTA 2) Send mail from mailstore,LDAP,Proxy via Zimbra MTA Method #1: Send mail from Zimbra MTA /bin/awk ‘BEGIN{print “Subject:zimbra backup status […]
Read more
how to check zimbra account status and quota size Below scripts you can run using zimbra user, this scripts using zimbra native tool zmprov to fetch data from ldap and hold in different Variables after completing process scripts send status mails to configured mail id #!/bin/bash output=”/tmp/account_usage” domain=”knowledgelinux.com” SendTo=”[email protected]$domain” […]
Read morezimbra prerequisite When you run the install script then Zimbra installation verifies that the correct prerequisite packages are installed. • Zimbra Core installs the libraries, utilities, and monitoring tools. • Zimbra LDAP installs the OpenLDAP software, an open source LDAP directory services. • Zimbra MTA installs the Postfix open source […]
Read more