Zimbra Study

 Zimbra

https://dhenandi.com/tips-zimbra-migrating-zimbra-with-hashbackup/

https://dhenandi.com/tips-zimbra-migrating-zimbra-while-dns-propagation/

https://dhenandi.com/integrating-zimbra-8-7-with-mailman-on-ubuntu/

https://dhenandi.com/tag/zimbra/

https://imanudin.net/

https://tweenpath.net/enable-dnsbl-rbl-zimbra/

https://www.missioncriticalemail.com/category/zimbra-tips/

https://www.blackmoreops.com/2016/12/19/add-rbl-zimbra-server/

Zimbra Series 

http://www.aionsolution.com/it-support/category/zimbra/

Zimbra MYSQL

https://webhostinggeeks.com/howto/how-to-display-mysql-root-password-in-zimbra/

https://wiki.zimbra.com/wiki/MySql_Password

Moving ZCS to Another Server

http://www.aionsolution.com/it-support/zimbra/moving-zcs-to-another-server-2/

Zimbra HA

https://www.huuphan.com/2017/02/how-to-install-and-configure-zimbra.html

https://shivamkhandelwal.in/blog/high-availability-zimbra-setup/

https://imanudin.net/2015/03/24/how-to-install-configure-zimbra-high-availability-ha/

https://imanudin.net/2015/03/23/testing-data-replicationsynchronize-on-drbd/

http://chamilinux.blogspot.com/2018/08/how-to-setup-zimbra-high-availability.html

Zimbra Multi Server

https://zimbra.github.io/zimbra-9/multi-server-install.html

https://computingforgeeks.com/zimbra-multi-server-installation-on-centos-7/

http://docs.zimbra.com/docs/ne/4.0.5/multi_server_install/clustering.7.1.html

Zimbra SSL

Secure Zimbra Server with Let’s Encrypt SSL Certificate | ComputingForGeeks

https://letsencrypt.org/certs/isrgrootx1.pem.txt

Installing a LetsEncrypt SSL Certificate - Zimbra :: Tech Center

https://wiki.zimbra.com/wiki/Certificate_Chain

https://wiki.zimbra.com/wiki/Installing_DigiCert_commercial_certificates

https://wiki.zimbra.com/wiki/Enabling_Zimbra_Proxy_and_memcached

https://wiki.zimbra.com/wiki/CLI_zmtlsctl_to_set_Web_Server_Mode

https://github.com/Zimbra/zinstaller

https://wiki.zimbra.com/wiki/Installing_a_LetsEncrypt_SSL_Certificate

https://wiki.zimbra.com/wiki/Multiple_SSL_Certificates,_Server_Name_Indication_(SNI)_for_HTTPS

https://blog.zimbra.com/2022/06/zimbra-skillz-how-to-use-zimbra-with-multiple-https-domains-server-name-indication-sni/

https://wiki.zimbra.com/wiki/SecureConfiguration

https://wiki.zimbra.com/wiki/Administration_Console_and_CLI_Certificate_Tools

Zimbra LDAP

https://computingforgeeks.com/how-to-restore-zimbra-ldap-database-from-backup/

Zimbra Command

How to check basic information related to Zimbra | LinuxHelp Tutorials

Zimbra DKIM

https://wiki.zimbra.com/wiki/Configuring_for_DKIM_Signing

https://blog.zimbra.com/2021/08/zimbra-skillz-how-to-use-spf-dkim-and-dmarc-on-zimbra/

https://forums.zimbra.org/viewtopic.php?t=60741

https://imanudin.net/2015/02/10/how-to-configure-and-validate-dkim-records-on-zimbra/ 

Zimbra Group

https://wiki.zimbra.com/wiki/GAL_Sync_Account

http://docs.zimbra.com/docs/os/6.0.10/administration_guide/Managing_Accounts.09.2.html

https://forums.zimbra.org/viewtopic.php?t=65592

Enabling and administering the Zimbra milter - Zimbra :: Tech Center

Zimbra Zex

https://community.zextras.com/suite-and-zimbra-ose/

https://community.zextras.com/best-available-open-source-operating-system-for-zimbra-collaboration-ose/

https://community.zextras.com/how-to-maintain-your-zimbra-servers-after-soon-coming-centos-end-of-life/

https://community.zextras.com/how-to-properly-set-up-firewalls-on-zimbra-servers/

https://community.zextras.com/how-to-prepare-an-os-for-zimbra-installation/

ActiveSync:

https://imanudin.net/2019/10/03/how-to-install-zimbra-on-ubuntu-18-04/

https://imanudin.net/2014/09/07/how-to-improvement-sender-must-loginenforcing-a-match-between-from-address-and-sasl-username-on-zimbra-8-5/

https://wiki.zimbra.com/wiki/Autodiscover

https://imanudin.net/2019/08/30/exchange-activesync-for-zimbra-open-source-edition/

https://linuxhint.com/how-to-install-zimbra-on-ubuntu-18-04-lts/

Zimbra Security :

Part 1 : https://wiki.zimbra.com/wiki/Rejecting_false_%22mail_from%22_addresses#Zimbra_Collaboration_8.5_and_above

Part 2: https://wiki.zimbra.com/wiki/Enforcing_a_match_between_FROM_address_and_sasl_username_8.5

Part 3: https://imanudin.net/2014/09/07/how-to-improvement-sender-must-loginenforcing-a-match-between-from-address-and-sasl-username-on-zimbra-8-5/

Permission Fix

https://wiki.zimbra.com/wiki/Fix_the_Zimbra_Collaboration_Permissions

https://imanudin.net/2019/05/27/solved-zimbra-webmail-stuck-after-login/

Zimbra LDAP Issues

https://forums.zimbra.org/viewtopic.php?t=65875

https://stackoverflow.com/questions/55324770/error-unable-to-start-tls-ssl-connect-attempt-failed-error14090086

https://skrinhitam.wordpress.com/2016/01/01/how-to-get-all-admin-accounts-in-zimbra/

https://forums.zimbra.org/viewtopic.php?t=17978

https://wiki.zimbra.com/wiki/Managing_Domains

Zimbra Admin Authentication Failed Soltuions

https://forums.zimbra.org/viewtopic.php?t=70472

zmprov ma me@mymail.com zimbraIsAdminAccount TRUE