used rather than per-connection info for tracking the state of data
queued for transmission. This could result in a connection hang.
+JH/26 Fix use of the SIZE parameter on MAIL commands, on continued connections.
+ Previously, when delivering serveral messages down a single connection
+ only the first would provide a SIZE. This was due to the size information
+ not being properly tracked.
+
Exim version 4.93
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