Issue: E-mail delivery check has failed. In the email check LUCY sends out an empty test mail to a predefined LUCY mail address (@lucysecurity.com or test@phishing.services) to verify that the SMTP communication works. We do not use any data from your system or any mail address from the campaign within this check. Please check your e-mail settings or visit the chapter lucy_says_mail_test_failed_when_i_start_a_campaign and What to do? for more info.