Using Mailcow with Cloud Panel with reverse proxy. From Sogo sending & receiving email works fine. But SMTP said TLS certificate error.
“LS Negotiation failed, the certificate doesn’t match the host.”
Please help me
EnglishWith Cloud Panel SMTP TLS error
Check here with your mail server’s FQDN:
Network Tools: DNS,IP,Email
MxToolbox
It should tell you what’s wrong with your certificate
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DocFraggle No error using this tool but showing error on connect with SMTP or with Gmail.
So your MX record points to Cloudflare? Did you enroll your certificate there?
DocFraggle Yes. Already enroll certificate on cloudflare.
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