From 45faafdced71b05271f87c0963c0d5e5b4595f4e Mon Sep 17 00:00:00 2001
From: Vincent Richard <vincent@vincent-richard.net>
Date: Sun, 13 Dec 2009 12:50:36 +0000
Subject: [PATCH] Makes 'To' optional, like 'Cc' and 'Bcc'. An exception is
 still thrown if there are no recipients at all (see bug #2912670).

---
 src/messageBuilder.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/messageBuilder.cpp b/src/messageBuilder.cpp
index a70372fb..870d59e7 100644
--- a/src/messageBuilder.cpp
+++ b/src/messageBuilder.cpp
@@ -54,11 +54,17 @@ ref <message> messageBuilder::construct() const
 	if (m_from.isEmpty())
 		throw exceptions::no_expeditor();
 
-	if (m_to.isEmpty() || m_to.getAddressAt(0)->isEmpty())
+	if ((m_to.isEmpty() || m_to.getAddressAt(0)->isEmpty()) &&
+	    (m_cc.isEmpty() || m_cc.getAddressAt(0)->isEmpty()) &&
+	    (m_bcc.isEmpty() || m_bcc.getAddressAt(0)->isEmpty()))
+	{
 		throw exceptions::no_recipient();
+	}
 
 	msg->getHeader()->From()->setValue(m_from);
-	msg->getHeader()->To()->setValue(m_to);
+
+	if (!m_to.isEmpty())
+		msg->getHeader()->To()->setValue(m_to);
 
 	if (!m_cc.isEmpty())
 		msg->getHeader()->Cc()->setValue(m_cc);