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[9.091][BUG] POP3S connection failed

Hi,

I experience failure in POP3S connection by WinXP.
The following messages are outputted to a POP3 log. 

2013:04:17-18:13:19 hoge-1 pop3proxy[1516]: SSL Error: 0x1408f10bd (error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number)
2013:04:17-18:13:19 hoge-1 pop3proxy[1518]: Accepted client connection from 192.168.0.22 for 74.125.129.109 (pop.gmail.com Servers server_id 2)
2013:04:17-18:13:19 hoge-1 pop3proxy[1518]: Fatal: Failed to accept SSL client

I tested the following e-mail applications. 
Outlook Express 6
Windows Live Mail 2009
Microsoft Outlook 2010
Mozilla Thunderbird 17.05
When using except Thunderbird, I experience this issue. 

In the e-mail applications which issue generates, the packet of SSLv2 is sent first. And it changes to TLS after. 
However, SophosUTM reject SSLv2 immediately. I understand that SSLv2 is weak. However, there are still many users of XP.
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