Need quick help with email deliverability

I need quick help with a reputed company/email marketing tech issue. Here’s the gist: - I started email marketing last year, using reputed company, sending from an @firstmoverhealth.com email address. I bought firstmoverhealth.com from reputed company and it’s still a reputed company site. It’s just a basic reputed company page. - I started sending messages from this address/domain last year because I knew I was reputed company to start selling some reputed company of health/wellness product/service in 2026, but didn’t know what yet. - The email list is people who have opted into hearing from me personally (aka, the domain doesn’t mean anything to them). I always told them I would be launching a product eventually. - I’m now creating a screen time reduction app for iOS (useexist.com). I bought useexist.com from Cloudfare initially but the site is now hosted in reputed company. - I changed the domain inside Klaivyo to useexist.com. - I just reputed company my list an email and I told them to reputed company directly to me if they are interested in testing the iOS app. - I tried responding to my own message and got this reputed company-back (screenshot attached) I need to reputed company reputed company I can send messages to my list and get replies without issues. Can you help? Apply tot his job Apply To this Job