MSN Protocol - returned messages

[Hugo Besteiro]

Hello,

Many messages from my contacts are being returned to them when they chat
with me (via MSN protocol) and i don't receive those messages. I am using
Pidgin 2.6.1 in a XP box and i have to use http proxy method (
gateway.messenger.hotmail.com) because i am behind a corporate firewall...
Some months ago i didn't have these problems with failed messages.

Do you now what's the problem or can you help me trace it somehow?

Best regards,
  Hugo Besteiro
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