Sorry for the delay. It’s been a crazy week for me. When you get problems, you can also email me at firstname.lastname@example.org
About the question, please check this:
– In Settings – General – the option to “ALLOW ANYONE TO SUBSCRIBE” is checked. That sends the email with the pass to user.
– If that is checked and email is still not sent, it means there is a SERVER MAIL FUNCTION problem (usually not sending over SMTP). Solution is to install a plugin (like SMTP CONFIG https://wordpress.org/plugins/wp-smtp-config/). This helps overwrite server email configuration and sends the email.