Investigate why mails are frozen The exim documentation says: Freezing occurs when a bounce message encounters a permanent failure because...
swaks is a very nice tool to test SMTP. For the most linux distributions you can easily install it with...
Install and configure the AWS Command Line Interface Show existing certificates to test if the AWS Cli is working:
I'm creating certificate requests with this command: openssl req -new -out www.example.com.csr -keyout www.example.com.key -newkey rsa:2048 -nodes
Create a 1 GB file to swap to (we have sufficient space on / on this machine. Use a different partition...
This is a way to run multiple redis server on one ubuntu server. These steps you have to do only...
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WordPress websites have always been a favourite for all types of clients because of its simplicity and easy of use...
Max Swahn attended the University of Pittsburgh, Swanson School of Engineering. He graduated in 2018 with a degree in Industrial...