This is a variant of #723497, except the account is IMAP instead of POP3 / local. Saving any IMAP message / draft / template to a network share (or a local folder with insufficient space/permissions) does not result in an error message displayed to the user. Actually the error is detected in nsMsgSaveAsListener::SetupMsgWriteStream and is propagated to the mStatus of the nsIInputStreamCallback, but then I'm lost in the code. I'm on Ubuntu Quantal i386 thunderbird 17.0.2+build1-0ubuntu0.12.10. Reproduce: 1. Try to save a message to /dev/. => Message isn't saved, no error shown.
Florian Maier, can you look at this too as you fixed bug 723497?
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