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  • 24 votes cast
Mar
22
comment Postfix STARTTLS only on port 25
I'll give it a try, thanks for your answer.
Mar
22
accepted Postfix STARTTLS only on port 25
Mar
22
comment Postfix STARTTLS only on port 25
Yes and that's exactly what I want.
Mar
21
comment Postfix STARTTLS only on port 25
Yeah but why does a professional hoster like hosteurope.de have an MX that receives mail only on port 25, but supports TLS as you can check here when typing in anybody@hosteurope.de? I guess because it relays mails to some postfix server behind it but all that happens only on port 25, you can nmap the MX, there's only port 25 open.
Mar
20
comment Postfix STARTTLS only on port 25
Turns out this is perfectly normal and the config seems okay since I get this openssl error message with every TLS supporting MX listening on port 25. Guess I misunderstood how STARTTLS works.
Mar
19
comment Postfix STARTTLS only on port 25
I tried the same config on port 465 and it worked perfectly, thus I know it can't be the cert or CA chain.
Mar
19
asked Postfix STARTTLS only on port 25
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accepted Is it possible to securely add an NFSv4 share to an ESXi Server?
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