Zextras Modern Theme for Zimbra web interface Rumi, September 12, 2023 First, you must register to get a download link: zextras-theme-zimbra-interface. Then, you will receive instructions for installing the new Zextras theme For Ubuntu users Download the package from your Zimbra server using the following command: wget https://link-download-from-zextras/zextras-theme-ubuntu.tgz Note: Change link-download-from-zextras with the link received in the email Extract the package you have just downloaded with tar xvf zextras-theme-ubuntu.tgz Execute the installation cd zextras-theme-installer && sudo ./install.sh Apply a new theme with zmskindeploy to be sure su - zimbra -c 'zmskindeploy /opt/zimbra/jetty/webapps/zimbra/skins/zextras/' Restart the Zimbra Web Application (mailboxd) manually with: su - zimbra -c 'zmmailboxdctl restart' For CentOs users Download the package from your Zimbra server using the following command: wget https://link-download-from-zextras/zextras-theme-centos.tgz Note: Change link-download-from-zextras with the link received in the email Extract the package you have just downloaded with tar xvf zextras-theme-centos.tgz Execute the installation cd zextras-theme-installer && sudo ./install.sh Apply a new theme with zmskindeploy to be sure su - zimbra -c 'zmskindeploy /opt/zimbra/jetty/webapps/zimbra/skins/zextras/' Restart the Zimbra Web Application (mailboxd) manually with: su - zimbra -c 'zmmailboxdctl restart' Now the users will find Zextras Theme in the Preferences Area, under “Appearance”. To choose it, then simply have to select it and save it. If you want to change the default login form like below: su - zimbra sed -i 's/harmony/zextras/g' /opt/zimbra/jetty/etc/zimbra.web.xml.in zmmailboxdctl restart Restart the mailserver if the updates are not visible yet. Src: The new Zextras Theme for Zimbra web interface Administrations Configurations (Linux) Zextrazimbra