On CentOS 7 server with firewalld running, used following command to open ports used by Zimbra Mail Server. See Zimbra,
After Zimbra mail server installed, webmail work on url https://SERVER-HOSTNAME-HERE/ If you access webmail with out HTTPS, it won’t work.
To install SSL certificate for Zimbra Mail Server, login to server, switch to user zimbra Now create file commercial.key, paste
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DMARC is used to protect your email from email spoofing. DMARC use SPF and DKIM record to validate your email.
To disable IPv6 on the postfix mail server, edit Find Replace with Restart postfix Method 2 To see the current
Install postfix Create file Add Save and exit editor. Run Edit postfix configuration file Find and remove At end of
On installing SSL on Zimbra mail server, i get following error This was due to SSL cert chain. The ca-bundle
To delete emails from a particular user from postfix mail queue, run See postfix
imapcopy is a program to copy mails from one IMAP mailbox to another. I was using this for email migrations.