[Pidgin] #6091: Can only receive files but not send to some users over AIM, pidgin incorrectly says other user canceled

[Pidgin]

#6091: Can only receive files but not send to some users over AIM, pidgin
incorrectly says other user canceled
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 Reporter:  dave1g             |        Owner:  MarkDoliner
     Type:  defect             |       Status:  new        
Milestone:                     |    Component:  AIM        
  Version:  2.4.2              |   Resolution:             
 Keywords:  aim file transfer  |  
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Comment(by Kaze_no_Hibiki):

 Replying to [comment:3 Mother Fo]:
 > I've noticed this on 2.5.2 as well.  It seems if I enable force aim
 proxy server in my account options. The file transfer works.   I'm just
 sending files to people on macs using ichat.  I'm on vista64 and the ports
 are forwarded.  I uploaded the debug.  Similar to #6234.
 I've had similar results.
 I can already receive file transfers, but sending them always results in a
 claim that the receiver canceled.
 If I go to the settings for the account, and check the box labeled:
 "Always use AIM/ICQ proxy server for file transfers and direct IM"
 I can send file transfers without a problem.
 Exactly why isn't that check box selected by default, maybe until the
 problem is fixed or soemthing?

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Ticket URL: <http://developer.pidgin.im/ticket/6091#comment:4>
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