Bhutan ICT

If you encounter error on Zimbra Open Source certificate expiry, then just run the following lines: 1. Switch to Zimbra user su - zimbra 2. Stop all the Zimbra services zmcontrol stop 3. Get out from zimbra user. exit 4. Begin by generating a new Certificate Authority (CA). /opt/zimbra/bin/zmcertmgr createca -new  5. Then generate a certificate signed by the CA that expires in 365 days. /opt/zimbra/bin/zmcertmgr createcrt -new -days 365 6. Next deploy the certificate. /opt/zimbra/bin/zmcertmgr deploycrt self 7. Next deploy the CA. /opt/zimbra/bin/zmcertmgr deployca 8. To finish, verify the certificate was deployed to all the services. /opt/zimbra/bin/zmcertmgr viewdeployedcrt 9. Switch back to zimbra user su - zimbra 10. Start all Zimbra services zmcontrol start