[Akonadi] [Bug 400221] can't talk to dovecot imap server

[Chris Samuel]

https://bugs.kde.org/show_bug.cgi?id=400221

Chris Samuel <kde at csamuel.org> changed:

           What    |Removed                     |Added
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                 CC|                            |kde at csamuel.org

--- Comment #7 from Chris Samuel <kde at csamuel.org> ---
Hi there,

I have a strong suspicion that this is SSL related, I've found that this does
not work:

openssl s_client -connect example.com:993
[...]
139765775537472:error:141A318A:SSL routines:tls_process_ske_dhe:dh key too
small:../ssl/statem/statem_clnt.c:2149:
[...]

but this does (found here: https://imlc.me/dh-key-too-small ):

openssl s_client -connect example.com:993 --cipher 'DEFAULT:!DH'

Now the received wisdom is that this is because of OpenSSL configuration and
you can fix it by adding this to /etc/ssl/openssl.cnf:

[system_default_sect]
MinProtocol = TLSv1.2
CipherString = DEFAULT at SECLEVEL=2

However, that does not seem to work, either for the OpenSSL command line or for
Akonadi.

All the best,
Chris

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