http://www.exim.org/bugzilla/show_bug.cgi?id=400
Summary: Patch for readsocket to shut down sending side of socket
Product: Exim
Version: 4.63
Platform: All
URL: http://www.skills-1st.co.uk/pub/code/exim-4.62-
expand.patch
OS/Version: All
Status: NEW
Severity: wishlist
Priority: medium
Component: String expansion
AssignedTo: ph10@???
ReportedBy: andrew.findlay@???
QAContact: exim-dev@???
Exim's readsocket expander expects to send some data to a server and then make
use of the answer that comes back. Exim does not take any notice of the data
until the remote server closes the connection, so it is difficult to talk to
'conversational' servers such as sqlgrey (a greylisting server originally
designed for Postfix).
This patch shuts down the sending side of the network socket after all the data
has been sent. This is a clear signal to the remote server that it should
process the data and then close the socket.
I have tested this with the sqlgrey daemon. I think it is unlikely to cause
problems for existing configs, but you may want to make it an optional feature
anyway.
Andrew
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