Make a secret copy of sent email in Postfix

I have a business need. I need to send automatically generated email from a specific business address to my customers. Postfix does not help you to save it to “Sent” mailbox. Although I have mail logs telling me that emails have been sent to the correct email addresses but I really don’t know what is […]

Solve zsh cursor positioned at the beginning in zsh history lookup using arrow key for Ubuntu

Zsh under Ubuntu has a strange behaviour. When you have typed some commands and use up arrow key to look back, the cursor is always at the beginning of the line. This can be solved very easily.