Exchange 2010 no longer getting emails

Hello, I'm specialist on exchange 2010, i can help you easily in less than 1 hour. ------------------------- IT infrastructure team leader with 8 years background in infrastructure, SAP basis and network management. Network administrator excelling in all the aspects of IT services, with an emphasis on security and cloud computing. Personable team player offering advanced technical knowledge. SKILLS •Microsoft windows server •Messaging (Exchange, Lync and SFB) •Office 365 •Google apps (G Suite) •Active directory, DHCP and DNS •SAP Basis (ERP and Solution Manager) •SharePoint and Project server •Microsoft SQL administration •Servers, Rack and Switches Operation •SAN storage •VMware •Data backup and recovery systems •Security specialist “Fortinet and Fortimail” •Project management •ITIL knowledge •Linux Ubuntu