我安装了最新的 Ubuntu 18.04，并尝试像以前一样使用 Pidgin 连接到我们内部的 XMPP 服务器（它很旧，我无法访问）。
但我无法连接...出现SSL Handshake Failed错误。
这是我在调试窗口中得到的：
(10:37:11) account: Connecting to account d.goosens@%%SERVER_NAME%%/Spark 2.6.3.
(10:37:11) connection: Connecting. gc = 0x55e3f7cdca10
(10:37:11) dnsquery: Performing DNS lookup for %%SERVER_IP%%
(10:37:11) dnsquery: IP resolved for %%SERVER_IP%%
(10:37:11) proxy: Attempting connection to %%SERVER_IP%%
(10:37:11) proxy: Connecting to %%SERVER_IP%%:5222 with no proxy
(10:37:11) proxy: Connection in progress
(10:37:11) proxy: Connecting to %%SERVER_IP%%:5222.
(10:37:11) proxy: Connected to %%SERVER_IP%%:5222.
(10:37:11) jabber: Sending (d.goosens@%%SERVER_NAME%%/Spark 2.6.3): <?xml version='1.0' ?>
(10:37:11) jabber: Sending (d.goosens@%%SERVER_NAME%%/Spark 2.6.3): <stream:stream to='%%SERVER_NAME%%' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>
(10:37:11) jabber: Recv (177): <?xml version='1.0' encoding='UTF-8'?><stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" from="%%SERVER_NAME%%" id="a1c57c52" xml:lang="en" version="1.0">
(10:37:11) jabber: Recv (486): <stream:features><starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"></starttls><mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl"><mechanism>DIGEST-MD5</mechanism><mechanism>PLAIN</mechanism><mechanism>ANONYMOUS</mechanism><mechanism>CRAM-MD5</mechanism></mechanisms><compression xmlns="http://jabber.org/features/compress"><method>zlib</method></compression><auth xmlns="http://jabber.org/features/iq-auth"/><register xmlns="http://jabber.org/features/iq-register"/></stream:features>
(10:37:11) jabber: Sending (d.goosens@%%SERVER_NAME%%/Spark 2.6.3): <starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>
(10:37:11) jabber: Recv (50): <proceed xmlns="urn:ietf:params:xml:ns:xmpp-tls"/>
(10:37:11) nss: Handshake failed (-12279)
(10:37:11) connection: Connection error on 0x55e3f7cdca10 (reason: 5 description: SSL Handshake Failed)
(10:37:11) account: Disconnecting account d.goosens@%%SERVER_NAME%%/Spark 2.6.3 (0x55e3f700e310)
(10:37:11) connection: Disconnecting connection 0x55e3f7cdca10
(10:37:11) connection: Destroying connection 0x55e3f7cdca10
(10:37:12) util: Writing file prefs.xml to directory /home/dgoosens/.purple
(10:37:12) util: Writing file /home/dgoosens/.purple/prefs.xml
（替换了 SERVER_NAME 和 SERVER_IP）
尝试了所有可能的帐户设置...但似乎没有任何效果...
有什么建议么 ？
