On 2022-05-10 at 09:34:14 UTC-0400 (Tue, 10 May 2022 08:34:14 -0500)
Martin McCormick via Exim-users <[email protected]>
is rumored to have said:
[...]
I also tried
openssl s_client -connect smtp.suddenlink.net:465 -starttls=smtp
That gets you:
Didn't find STARTTLS in server response, trying anyway...
Well, yes: on port 465 you do not use '-starttls=smtp' because port 465
is 'implicit TLS' or 'wrapper-mode TLS' and starts the handshake at
connect, like HTTPS on port 443. You CAN use '-starttls=smtp' on port 25
or 587.
--
Bill Cole
[email protected] or [email protected]
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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