hi i have exchange server 2019 firewall sophos i cant receive and send from [login to view URL]
The response was:
TLS Negotiation failed: FAILED_PRECONDITION: starttls error (0): protocol error
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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, 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.