Redirect HTTP to HTTPs automatically in Zimbra 8.8 Rumi, November 26, 2021 The most popular out of 5 options for proxy services, is to redirect. To do this, you can run the following as zimbra user: zmprov ms `zmhostname` zimbraReverseProxyMailMode redirect This will redirect your URLs to the zimbra hostname based HTTPs. Now, restart the proxy services: su – zimbra zmproxyctl restart… Continue Reading
Reset Zimbra Admin Password Rumi, September 29, 2021 Obtain a list of all Administrators If want to get a list of all administrators, run the next command: su – zimbra zmprov gaaa To reset the administrative password: su – zimbra zmprov sp <admin email address> <new password> Check the new password in the Admin Console To access the… Continue Reading
Sectigo SSL certificate installation on Zimbra Rumi, March 30, 2021 1. Login to your Zimbra Admin Console using a browser. 2. In the left navigation pane under Home click Configure. Click Certificate. 3. On the right of the Zimbra Admin console click on the settings icon and select Install Certificate. 4. The Certificate Installation Wizard will pop up. 5. Under… Continue Reading
Zimbra 8.8 on CentOS 7 Rumi, December 17, 2019 Before we proceed with Zimbra Collaboration Suite installation process, first login to your server console with root privileges and install the following packages: # yum -y install unzip net-tools sysstat openssh-clients perl-core libaio nmap-ncat libstdc++.so.6 perl perl-core ntpl nmap sudo libidn gmp libaio libstdc++ unzip sqlite dnsmasq Next, issue getenforce command to check… Continue Reading
Zimbra GUI Customization- Logo, Title, Footer Rumi, October 25, 2019 To change logo (On Zimbra 8.6 and onwards) zmprov md mail.dscsc.mil.bd zimbraSkinLogoLoginBanner https://yourdomain.com/zimbra/MyLoginBanner.png zmprov md mail.dscsc.mil.bd zimbraSkinLogoAppBanner https://yourdomain.com/zimbra/MyAppBanner.png To change logo height: changed hhe contents of file /opt/zimbra/jetty/webapps/zimbra/skins/_base/base3/skin.properties … 90 LoginH1 = margin:0 0 30px 30px; 91 LoginAppName = display:none; 92 LoginLabelColor = @TxtC@ 93 LoginButton = @ButtonShadowDefault@ border:1px solid @ButtonBorderColor@;… Continue Reading
SOLVED Zimbra 8.6 HTTP ERROR 404 Problem accessing /public/error.jsp. Reason: /public/error.jsp Rumi, May 10, 2019 Do a quick search under the usual jetty folders: find /opt/zimbra/jetty/ -type f -name *jsp -mtime -30 If you find files like: /opt/zimbra/jetty/webapps/zimbra/js/zimbra/csfe/XZimbra.jsp /opt/zimbra/jetty/webapps/zimbra/public/Ajax.jsp you’re actually hacked. Unlike the previous “zmcat” and “dblaunchs” that actually exploit the vuln and load some sh*t this looks like a bad childish attack. It… Continue Reading
Installing a Comodo SSL on Zimbra using CLI Rumi, April 14, 2019April 14, 2019 1. Get the bundle from Comodo in crt format, or sometimes like a zip file. 2. Place the bundle on your Zimbra mailbox server. You should receive, or download, the next files: AddTrustExternalCARoot.crt COMODORSAAddTrustCA.crt COMODORSADomainValidationSecureServerCA.crt my_domain_com.crt or since comodo is acquired by Sectigo, the updated zip might appear as below: Continue Reading
Zimbra authentication without domain Rumi, March 20, 2019 In the admin interface go to Global Settings -> General Information -> Default domain and enter the name of your domain. Users in that domain can now login without the @domain part. Continue Reading
Enable DNSBL or RBL on Zimbra Rumi, January 26, 2019 DNS-based Blackhole List (DNSBL) or Real-time Blackhole List (RBL) is an effort to fight spam emails. It is a blacklist of source IP addresses that have a reputation of sending spam emails. Most email systems can be configured to check these lists and block or flag emails that were sent… Continue Reading
ZImbra troubleshooting incoming mail problems Rumi, January 3, 2019 Problem If you’re having trouble receiving mail from outside, you need to find out where the message is failing. When sending your test message, check the Log Files, especially /var/log/zimbra.log, on your MTA server. It’s often helpful to tail the logfile as you send the message: tail -f /var/log/zimbra.log If… Continue Reading