I build everything as the materal
Then telnet my 993 port .
root@reborn:~# telnet mail.f10.work 993 Trying 128.199.164.28… Connected to f10.work. Escape character is ‘^]’. Connection closed by foreign host.
What is the matter with my port 993?
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I have the same problem… did you get the solution?
Does your mail server itself work?