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Re: [SOGo] Thunderbird + Sogo Connector Issue (ssl_error_no_cypher_overlap)

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  • From: Jens Erat < >
  • To:
  • Subject: Re: [SOGo] Thunderbird + Sogo Connector Issue (ssl_error_no_cypher_overlap)
  • Date: Tue, 09 Dec 2014 12:27:16 +0100

Hi Ian,

the message indicates that client and server could not agree on a cipher
to use, as the ciphers supported/offered do not overlap.

Have a look at the server configuration, and which ciphers are
supported. It might be something like SSLv3-only (no TLS), which is
disabled by Mozilla components by now (is it already?).

SSL-Labs might be helpful for debugging this:


On 09.12.2014 05:16, Ian Smithers wrote:
> Hi all,
> I am using Thunderbird and the Sogo Connector to sync contacts with my
> Carddav server. However in the Thunderbird error console, whenever I try
> to sync, I get an error: sogo ssl_error_no_cypher_overlap and the sync
> fails. I've done some searching online and am not sure if this is an
> issue with Thunderbird or with the Sogo Connector which sits in between.
> I haven't tested it via unsecured HTTP yet, but obviously I would prefer
> to use HTTPS if that is an option. Has anyone else had this issue, or
> can suggest some things to try?
> Thanks!

Jens Erat

[phone]: tel:+49-151-56961126

OpenPGP: 0D69 E11F 12BD BA07 7B37 26AB 4E1F 799A A4FF 2279

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