Install Proxmox mail gateway with Zimbra

Install Proxmox on Hetzner by mounting Proxmox mail gateway. In Gateway IP insert 172.31.1.1 or find the gateway IP first by running ip r | grep ^def Next configure proxmox as follows First, create DNS server Add relay domain add additional relay domains Inside...

Zimbra: Multiple SSL Certificates

https://wiki.zimbra.com/wiki/Multiple_SSL_Certificates,Server_Name_Indication(SNI)_for_HTTPS First Generate CSR /opt/zimbra/bin/zmcertmgr createcsr comm -new -subject “/C=US/ST=CA/L=Sunnyvale/O=Zimbra/OU=Zimbra Collaboration Suite/CN=host.example.com”...

Install SSL on Zimbra (Ubuntu)

Set default Zimbra proxy ports for web, pop3, imap and admin First of all switch to zimbra (su zimbra) user and execute the following command [zimbra@mail ~]# /opt/zimbra/libexec/zmproxyconfig -e -w -o -a 8080:80:8443:443 -x https -H `zmhostname`...

How to remove DNSCACHE from Zimbra services

How to remove DNSCACHE from Zimbra services. If you will get a prompt stating something like “Port conflict detected: 53 (zimbra-dnscache)” with a prompt to hit ENTER to continue, you can just hit enter and let the installation/upgrade run out. Once everything is...