[kmail2] [Bug 392203] Managesieve doesn't work over pure TLS connection

Marcus Müller bugzilla_noreply at kde.org
Wed Jul 20 23:14:21 BST 2022


https://bugs.kde.org/show_bug.cgi?id=392203

Marcus Müller <marcus_kde at hostalia.de> changed:

           What    |Removed                     |Added
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                 CC|                            |marcus_kde at hostalia.de

--- Comment #1 from Marcus Müller <marcus_kde at hostalia.de> ---
Can confirm this. It's a blocker.

Matter of fact, while trying to establish a TLS connection using the usual
`openssl s_client -showcerts -connect example.com:4190` works beautifully,
ksieve doesn't even try to negotiate a TLS connect.

It's just TCP's SYN; SYN, ACK; ACK; at this point the TCP connection is
established, and it would be the client's job to initiate a TLS session – never
happens, there's 0 bytes exchanged, until at some point either I close the
program or the server drops the idle conneciton.

Functionality of the same server has been verified through an unenencrypted
direct connection.

Attaching Wireshark capture.

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