I am testing some component that send email based on a specific logic.
In order to test this, I set up Postfix and Mailx in the Docker container where I run this component (the Docker container is not relevant for this question). The component will sent emails to (root or root@localhost)
I am trying now to write the test scripts that verify that emails were sent. For this I would like to use the mailx/mail utility in a bash script which will digest and clean up the received emails (based on some logic).
I know how to send one single mailx command:
echo "h" | mail -N
This will display the headers of the first message and quit.
I would like to delete the digested messages in the same command:
echo "<print_and_delete>" | mail -N
Is there a way to do this by passing a sequence of mailx commands?
An alternative would be to use:
echo "p" | mail -N; echo "d" | mail -N;
but I would like to know is there is a native mailx way to pipe/process multiple commands.
I would also like to use this in search and mark operations. For example, how can I do a search and continue with commands on the search results?
echo -e "f(text text_in_email)\n<???>" | mail -N
What should I replace <???> with in order to run commands on the search result (e.g. flag, mark as read, etc.)? Or to read the first email from the search results?