Created attachment 941897 [details]
Details of Certificate

Description of problem:
I want to connect to ***@dukgo.com XMPP/Jabber account. I can't. I have an error in verification/authentication phase. Empathy is default client of IM in Fedora 21 Workstation so I expected to work well with this popular XMPP service. 

Version-Release number of selected component (if applicable):
Fedora 21 Workstation Alpha with Gnome 3.13/3.14
yum info empathy
Version            : 3.12.6 
Wydanie            : 1.fc21
yum info telepathy-gabble.x86_64
Wersja/version     : 0.18.2
Wydanie            : 3.fc21
yum info telepathy-salut.x86_64
Wersja/version     : 0.8.1
Wydanie            : 7.fc21

How reproducible:
Always

Steps to Reproduce:
1. Create new account via www on https://duck.co/ or via Pidgin on dukgo.com
2. Try to connect using Empathy

Actual results:
Uwierzytelnianie nie powiodło się - verification/authentication failed.


Expected results:
Succesful log in to account.

Additional info:
I was using Fedora 20 Alpha year ago too, and I had the same error.
Pidgin works well with this account in Fedora. Empathy works well with less secure Yandex XMPP server (ya.ru).
This is a screen with configuration from Pidgin. Works well:
http://s11.postimg.org/5f978gq0j/Pidgin_Dukgocom.png

This is a screen from Empathy. It can't log in.
http://s9.postimg.org/ho95ncwhb/Empathy_Dukgocom.png

I can connect using Empathy on Debian Wheezy (SteamOS based on Debian + Debian repo). When Empathy is logging in then it shows this window, but after accepting it connects and works well:
http://s1.postimg.org/3xbc8twyn/Certificate_Warning.jpg
http://s1.postimg.org/n3ojc0dgf/Certificate_Warning2.jpg

This is text from window:
duck.co
Identity: duck.co
Verified by: COMODO High-Assurance Secure Server CA
Expires: 02.12.2014

Subject Name
C (Country):	US
2.5.4.17:	#13053139343630
ST (State):	Pennsylvania
L (Locality):	Paoli
STREET (Street):	20 Paoli Pike
O (Organization):	DuckDuckGo
OU (Organizational Unit):	Multi-Domain SSL
CN (Common Name):	duck.co
Issuer Name
C (Country):	GB
ST (State):	Greater Manchester
L (Locality):	Salford
O (Organization):	COMODO CA Limited
CN (Common Name):	COMODO High-Assurance Secure Server CA
Issued Certificate
Version:	3
Serial Number:	1C 80 82 CB D0 B1 CF A0 1D 24 4C 89 DC 61 90 AC
Not Valid Before:	2013-12-02
Not Valid After:	2014-12-02
Certificate Fingerprints
SHA1:	08 1F 7C 20 0A 80 48 34 06 01 F0 72 5E AA AA 0E 38 28 5C E4
MD5:	DC 86 CB 79 BD 42 E6 76 4F 80 3D AD A5 C5 A4 94
Public Key Info
Key Algorithm:	RSA
Key Parameters:	05 00
Key Size:	4096
Key SHA1 Fingerprint:	3A E3 5A 2F 69 60 B3 26 77 69 F8 C6 6B DD 51 7C 64 46 3E 10
Public Key:	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
Extension
Identifier:	2.5.29.35
Value:	30 16 80 14 3F D5 B5 D0 D6 44 79 50 4A 17 A3 9B 8C 4A DC B8 B0 22 64 6B
Critical:	No
Subject Key Identifier
Key Identifier:	2C 8A 2E 9D 01 95 CB 8F 50 3B 7C 57 3C CB 99 7B 30 B7 65 18
Critical:	No
Key Usage
Usages:	Digital signature
Key encipherment
Critical:	Yes
Basic Constraints
Certificate Authority:	No
Max Path Length:	Unlimited
Critical:	Yes
Extended Key Usage
Allowed Purposes:	Server Authentication
Client Authentication
Critical:	No
Extension
Identifier:	2.5.29.32
Value:	30 47 30 3B 06 0C 2B 06 01 04 01 B2 31 01 02 01 03 04 30 2B 30 29 06 08 2B 06 01 05 05 07 02 01 16 1D 68 74 74 70 73 3A 2F 2F 73 65 63 75 72 65 2E 63 6F 6D 6F 64 6F 2E 63 6F 6D 2F 43 50 53 30 08 06 06 67 81 0C 01 02 02
Critical:	No
Extension
Identifier:	2.5.29.31
Value:	30 46 30 44 A0 42 A0 40 86 3E 68 74 74 70 3A 2F 2F 63 72 6C 2E 63 6F 6D 6F 64 6F 63 61 2E 63 6F 6D 2F 43 4F 4D 4F 44 4F 48 69 67 68 2D 41 73 73 75 72 61 6E 63 65 53 65 63 75 72 65 53 65 72 76 65 72 43 41 2E 63 72 6C
Critical:	No
Extension
Identifier:	1.3.6.1.5.5.7.1.1
Value:	30 72 30 4A 06 08 2B 06 01 05 05 07 30 02 86 3E 68 74 74 70 3A 2F 2F 63 72 74 2E 63 6F 6D 6F 64 6F 63 61 2E 63 6F 6D 2F 43 4F 4D 4F 44 4F 48 69 67 68 2D 41 73 73 75 72 61 6E 63 65 53 65 63 75 72 65 53 65 72 76 65 72 43 41 2E 63 72 74 30 24 06 08 2B 06 01 05 05 07 30 01 86 18 68 74 74 70 3A 2F 2F 6F 63 73 70 2E 63 6F 6D 6F 64 6F 63 61 2E 63 6F 6D
Critical:	No
Subject Alternative Names
DNS:	duck.co
DNS:	dukgo.com
Critical:	No
Signature
Signature Algorithm:	SHA1 with RSA
Signature Parameters:	05 00
Signature:	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