I was laid off this month and recently received an email from a reputable company asking for my availability to schedule an interview. I promptly replied, but 24 hours later, I got a response saying my message was not received. This has me worried, as I ended up replying to the recruiter again. I'm concerned that he might see two of my responses and think I'm being unprofessional, or worse, that my second reply won't go through either. Has anyone else faced a similar issue during their job search?