Zimbra webmail not working on port 80/443

On Zimbra mail server, webmail stopped working on Port 80/443. Admin interface worked properly on url https://hostname:7071/. There is no errors displayed under monitor tab of Zimbra Admin. To fix, run

After running this, netstat -lntp start showing nginx running on port 80 and 443

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Zimbra Mail Server CentOS firewall settings

On CentOS 7 server with firewalld running, used following command to open ports used by Zimbra Mail Server.

See Zimbra, firewall-cmd […]

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Zimbra redirect webmail http to https

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 set HTTP to redirect to HTTPS, login to server as root, switch to user zimbra

Run

Wait few minutes, HTTP link will redirect to HTTPS.

You need to wait few minutes […]

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Install SSL Certificate on Zimbra mail server

Zimbra SSL install

To install SSL certificate for Zimbra Mail Server, login to server, switch to user zimbra

Now create file commercial.key, paste your Private key.

In commercial.crt, paste your SSL certificate.

Create commercial_ca.crt with content of your ca-bundle file.

Verify SSL cerificate

If SSL verified sucessfully, you can install it with command […]

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Zimbra Unable to validate certificate chain

zimbra

On installing SSL on Zimbra mail server, i get following error

This was due to SSL cert chain. The ca-bundle file they provided did not work with Zimbra. This is due to some issue with the order in witch CA Certificate files are placed. Here is zimba documentaion related to this issue https://wiki.zimbra.com/wiki/Fix_depth_lookup:unable_to_get_issuer_certificate I […]

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Install Open Source Zimbra Mail Server

To install Zimbra, Download latest version form https://www.zimbra.org/download/zimbra-collaboration At the time of this post, latest version is 8.8.8 GA Release. System Requirments Zimbra recommends 8 GB of RAM. For detailed system requirements, see Zimbra System Requirements I have installed on servers with 4 GB RAM with out any problem. If you are installing on server […]

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zmcontrol CLI for Zimbra Mail Server

zmcontrol is CLI tool for managing Zimbra Mail Server. To use, zmcontrol, you need to become user zimbra.

To stop zimbraAdmin, run

Example

Zimbra […]

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Zimbra

Reset Zimbra Administrator Password zmcontrol CLI for Zimbra Mail Server Zimbra Generate DKIM Key Install Open Source Zimbra Mail Server Zimbra Unable to validate certificate chain Install SSL Certificate on Zimbra mail server Zimbra redirect webmail http to https Zimbra Mail Server CentOS firewall settings Zimbra webmail not working on port 80/443 Login to Zimbra […]

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