From ad0ea8ce9fdaab25c5de22456571ebf4c93050e9 Mon Sep 17 00:00:00 2001
From: Vincent Richard <vincent@vincent-richard.net>
Date: Fri, 11 Jul 2008 21:02:12 +0000
Subject: [PATCH] Remove BCC headers before sending the message over SMTP
 (Zarafa).

---
 src/net/transport.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/net/transport.cpp b/src/net/transport.cpp
index 18bf4773..3c8536ab 100644
--- a/src/net/transport.cpp
+++ b/src/net/transport.cpp
@@ -98,6 +98,16 @@ void transport::send(ref <vmime::message> msg, utility::progressListener* progre
 	}
 	catch (exceptions::no_such_field&) { }
 
+	// Remove BCC headers from the message we're about to send, as required by the RFC.
+	// Some SMTP server automatically strip this header (Postfix, qmail), and others
+	// have an option for this (Exim).
+	try
+	{
+		ref <headerField> bcc = msg->getHeader()->findField(fields::BCC);
+		msg->getHeader()->removeField(bcc);
+	}
+	catch (exceptions::no_such_field&) { }
+
 	// Generate the message, "stream" it and delegate the sending
 	// to the generic send() function.
 	std::ostringstream oss;