Suppose we have a signed SSL certificate, or we will receive it from Let’s Encrypt, as I described in this article:Installing Certbot in Ubuntu To install an SSL certificate for iRedMail, you need to specify it in the Dovecot, Postfix and Apache2 configuration.
Installed iRedMail on Ubuntu Server in February 2016 and noticed an error when trying to send a message via Roundcube: SMTP error (451): Unable to add recipient “Email” (4.3.5 Server configuration problem) I checked if iredapd is running: It turned out that it was not running because the response from telnet was displayed: Unable to […]
On the test I will use Zabbix 3.0.3 and iRedMail 0.9.4 installed in Ubuntu Server 14.04.4 LTS. First, in the Zabbix panel, activate the action by opening the tab “Configuration” – “Actions” and activate “Report problems to Zabbix administrators“. In it I also, to see the names of the hosts, changed both topics of the […]
To allow the sending of messages on the mail server without encryption via port 25, you need to open the Postfix configuration file, for example, in the nano editor (in which Ctrl+X to exit, y/n to save or cancel changes): And uncomment two lines: And leave the commented line: Reload Postfix to apply the changes: […]
Here are examples of viewing and working with iRedAdmin white and black lists. Switch to the root user: Let’s go to the directory with the script and execute it without options to see a brief help: To add the sender to the white list or black list, execute the following commands: Example of deletion: Adding […]
Here is an example of removing iRedMail. On the test, delete the installed iRedMail 0.9.7 with Ubuntu Server 16.04 using the uninstall script – clear_iredmail. Let’s go to the tools directory of the iRedMail installer, save the script in it, in my case it’s: Let’s make it executable: And run: The script will remove mysql, […]
I will give an example of updating a self-signed certificate on Ubuntu Server with iRedMail installed. Switch to the root user:
In order to be able to connect to POP3 / IMAP without STARTTLS, you need to open the Dovecot configuration file: Edit the two parameters listed below: To return the parameters of the secure connection to POP3S / IMAPS back: After the changes in the Dovecot configuration, you need to restart it: See also: How […]