exhange server 2019 and sophos

Hi, I will fix mail issue on server that you are getting that is TLS Negotiation failed: FAILED_PRECONDITION: starttls error (0): protocol error" Thank you

Hi there, I have an excellent experience in networking/Linux/windows/vpn. please just ping me on freelancer chat to have a short discussion on your project and have it done very quickly. below is a brief on my experience: This is Ramy, I'm a network expert engineer at ISP. I have been working in networking for more than 7 years. I'm certified CCNP R&S, Comptia A+, ccna cyber ops. I have an excellent knowledge in: 1) Cisco devices (routers, switches), routing protocols, IPSEC, ASA, wireless, linux, ubuntu. 2) excellent knowledge in simulation tools like Esxi, vmware WorkStation, virtual-box, GNS-3, packet tracers and EVE-NG. 3) installing windows servers, linux servers and troubleshooting them. 4) I have an excellent knowledge in setting up VPN (IPSEC, OPENVPN, DUO Authentication). 5) I have an excellent experience in writing technical reports. I have done a lot of projects in routing and switching and wireless on this simulation tools and also in real life in my work at Orange. i will be glad to have the chance to help you anytime, just send me a message and no problem with the budget. Regards, Ramy

Hello Dear, I am an Expert Network Engineer and I am working as Expert Network Engineer at a Multinational ISP. I have great hands-on experience for more than 15 years in various network technologies. I have Cisco CCNA & CCNP (Routing & Switching) and CCNP Enterprise (Enterprise Core & Enterprise Advanced Infrastructure Implementation) certifications. I have Juniper JNCIA-Junos (JN0-102) and JNCIA (Cloud) certifications. I have very good knowledge in Cisco wireless technology, VOIP & Network Security. My specialties: - Design/implement medium and large scale enterprise networks. - Configure Cisco Routers (ASR 1K & 9k, 2900, 2800, ISR 4K, 878, 888), Switches (Cat 6500, 3750, 3850, 2900, 2960, SG- 300, SG-500, [Nexus 5K, 7K and 9K]), Firewalls ([ASA 5505, 5506x, 5508], Fortigate, Palo Alto) and Wireless Acess Points 1800 and 2700. - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei, Mikrotik, HP & Ubiquiti devices Expert. - Packet Tracer, GNS-3, EVE-NG, VMWare workstation & VirtualBox Expert. - Routing protocols (RIP, OSPF, EIGRP, ISIS & BGP) Configuration and troubleshooting Expert and Switching Expert (VLANs, STP, VTP...). - VPN Configuration Expert (IPSEC/L2TP, GRE/PPTP, OPENVPN & SoftEther). - Linux, Unix & windows servers Expert. - Wireshark Traffic Capture & Analysis Expert. - Write technical reports and summaries. Thanks to check my profile and let me know if you are interested. Best Regards,

Hi, I have expertise in Microsoft Exchange server, DNS records & a vast experience as a System Admin. I can resolve this issue. Let's have a chat and get started with this. Thank you.

Dear Sir, I am System Administrator and I have 6 years Experience in IT field and have expertise in Microsoft Windows Servers, Active Directory GPO,DNS,DHCP,WDS,FTP,IIS,TMG/ISA,Email Services DNS records MX,SPF,DIKM,DMARC,A RECORDS,and also have expertise Cisco/Maipu/Hp Switches and routers (VLAN TRUNKS IPSEC VPN ) and also storage like veritas backup/LTO,NAS,SAN storage configuration implementation. also have expertise in DELL PowerEdge servers RAID/IDRAC lifecycle Controller configuration, and HP servers. Please come in chat for further discussion. Thanks Syed muhammad Asif

Further inspection required before a working solution is delivered. You need to clarify if any recent changes has been deployed.

I can help you with fixing this problem now and later problems also. Please send DM and we will help you.