Exchange 2010 Server Configuration & Update

I need an expert to help configure our Exchange 2010 server. It also needs to be updated to the latest service packs and OS updates for Windows Server 2008 R2. Currently, I'm facing email delivery problems. Additionally, I have concerns about outdated security protocols that could make us vulnerable. Ideal skills and experience for this job would include: - Extensive knowledge of Exchange 2010 server - Experience with Windows Server 2008 R2 - Expertise in applying service packs and OS updates - Proficient in configuring servers to improve email delivery - Familiar with implementing and updating security protocols I'm looking for someone who can resolve these issues effectively and efficiently. Please, no attempts have been made to fix the email delivery problems so you will have a clean slate to work with.