Hi, I see you're looking for an Administrator to solve an issue related to email blocking.
My name is Avra Sarkar. I am an experienced System Administrator and Technical Support Engineer. I have more than 5 years of experience in providing support in office 365 services, like - Exchange Online, Teams, One drive, SharePoint
I belive, I have the perfect experience and knowledge to help you with email blocking issue.
I would love to work on your project and hope you like my proposal. I am looking forward to hearing from you.