Is your site installed in the root or subfolder?
Provide screenshot of the page with cron command.
Make sure you indicate correct path in the Cron Jobs command.I test my cron job with special plugin.Is your site installed in the root or subfolder?
Provide screenshot of the page with cron command.
As to the cron job command, please check this tutorial: https://docs.oxwall.org/install:cron and I think it will be better to run cron locally.
Andrey, the confirmation and welcome e-mail are sent directly to the mail server, that implies that something is wrong with the mail server, you need to contact your hosting provider and request them to shed some light on the matter.
As to the cron job command, please check this tutorial: https://docs.oxwall.org/install:cron and I think it will be better to run cron locally.