Please make sure other email sent from your website, i have tested but no email is sending from your website. If other email is sending but announcement email is not sending then we can investigate. Please check now (Reset password or send a message to yourself) and check if you receive email.
Let me know.
Please sent a test message to yourself and froward that email to firstname.lastname@example.org
also send a test message to Test1 username (in your website). Please do both and do not forward any previous email, do now.