We had a lead submit an event registration form today. A confirmation email with important info was sent to him. The marketer realized that he had forgotten to include the "." between his email domain and com, eg. "xyzcom". Marketo isn't yet indicating that this email bounced (or delivered) - just that it was sent. Should we manually send him the confirmation email (now that we corrected his email address in his lead record) or will Marketo attempt to send again after 24 hours? I'm thinking that since this isn't a soft-bounce, Marketo will treat this as a hard-bounce and mark the lead email address as invalid. Just looking for confirmation from others here in the community.