Manfred,
The problem is that the message itself is some 30K big and I only get some 16K of the message.
How could I force to get the whole message?
My guess is that you can't. This call: c' <- B.hGetNonBlocking h 40000 tries to read as much as it can (up to 40000 bytes) but it won't block to wait for data. Perhaps the rest of your message is in a different TCP packet or delayed or whatever, but I think you have to keep on reading (and maybe block) until you know you have read the entire message. The IMAP specs will tell you how to identify the "end of the message". BTW: This issue is not Haskell specific. If you implement the same code in C, Perl or Java you will have to deal with the same problem. When you read from a socket, there is no general way of knowing that the other side has sent everything. Patrick
-- Manfred
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-- ===================== Patrick LeBoutillier Rosemère, Québec, Canada