Hi Kyle
Thanks for the ideas
1. yes, all in place. The issue is if a domain is compromised, there is no way to auto general new passwords and lock the domain down.
2. The domain in question uses SendGrid, but these emails passed their filters.
3. Same
J. Sebastian Lee Service2Client LLC 6333 E Mockingbird Ste 147 Dallas, TX 75214 - 877.251.3273