I will give an example of automatic deletion of emails that are in the Trash and Junk/Spam folder, by the way, you can delete emails in other folders in the same way.
Continue reading “Dovecot. Autoclean email in Trash”Author Archives: Vyacheslav
Blocking SPAM behind a NAT server
In this article I will give an example of detecting and blocking the sending of spam messages behind a NAT server.
Continue reading “Blocking SPAM behind a NAT server”MikroTik backup script
In this article, I will give an example of a script for backing up the configuration of MikroTik devices.
Continue reading “MikroTik backup script”Changing hostname after installing iRedMail
Once I installed iRedMail on one Ubuntu Server and later I had to change the domain that I specified during installation, so in this article I will describe where I changed it.
Continue reading “Changing hostname after installing iRedMail”File mirroring script
Once I needed to make several mirrors in different countries for files that were often downloaded by users, so I made two scripts for synchronization.
Continue reading “File mirroring script”Solution “Client did not reuse SSL session from control channel, rejecting data connection”
I once ran ProFTPd with TLS and users connected successfully, but one client was trying to transfer files via cURL and got the error:
Continue reading “Solution “Client did not reuse SSL session from control channel, rejecting data connection””Solution “111 Connection refused while connecting to upstream”
Once I noticed an error in the /var/log/nginx/error.log:
Continue reading “Solution “111 Connection refused while connecting to upstream””Solution Invalid command ‘Header’, perhaps misspelled or defined by a module not included in the server configuration
Once I transferred one site from one server to another Ubuntu server and after installing Apache2 I noticed the following error in the logs:
Continue reading “Solution Invalid command ‘Header’, perhaps misspelled or defined by a module not included in the server configuration”How to return ethX names to network interfaces
I will give an example of returning the old scheme of names of network interfaces in the Linux operating system.
Continue reading “How to return ethX names to network interfaces”How to enable PHP-cURL
To enable the PHP-cURL extension on Linux Ubuntu/Debian, you must first install it with the command:
Continue reading “How to enable PHP-cURL”