diff --git a/ChangeLog b/ChangeLog
index cdc91d835..5658819a5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-05-30  Ludovic Marcotte <lmarcotte@inverse.ca>
+
+	* Modified SOGoCalendarComponent.m so that we
+	explicitely add the MIME-Version header when
+	sending out invitation messages.
+
 2009-05-23  Ludovic Marcotte <lmarcotte@inverse.ca>
 
 	* Added Russian tranlation - patch from
diff --git a/NEWS b/NEWS
index db649ff54..a332a5e54 100644
--- a/NEWS
+++ b/NEWS
@@ -11,6 +11,7 @@
 - added groups support in attendees and in ACLs
 - added support for user-based IMAP hostname
 - added support for IMAP subscriptions in web interface
+- now possible to use SSL (or TLS) for LDAP sources
 
 1.0-20090407 (1.0.1)
 --------------------
diff --git a/SoObjects/Appointments/SOGoCalendarComponent.m b/SoObjects/Appointments/SOGoCalendarComponent.m
index a4a73d3ad..5930260d1 100644
--- a/SoObjects/Appointments/SOGoCalendarComponent.m
+++ b/SoObjects/Appointments/SOGoCalendarComponent.m
@@ -673,6 +673,7 @@ static inline BOOL _occurenceHasID (iCalRepeatableEntityObject *occurence, NSStr
 		   * so we'll stick with multipart/mixed for the time being.
 		   */
 		  [headerMap setObject: @"multipart/mixed" forKey: @"content-type"];
+		  [headerMap setObject: @"1.0" forKey: @"MIME-Version"];
 		  [headerMap setObject: senderEmail forKey: @"from"];
 		  [headerMap setObject: recipient forKey: @"to"];
 		  mailDate = [[NSCalendarDate date] rfc822DateString];
@@ -764,6 +765,7 @@ static inline BOOL _occurenceHasID (iCalRepeatableEntityObject *occurence, NSStr
        * so we'll stick with multipart/mixed for the time being.
        */
       [headerMap setObject: @"multipart/mixed" forKey: @"content-type"];
+      [headerMap setObject: @"1.0" forKey: @"MIME-Version"];
       [headerMap setObject: [attendee mailAddress] forKey: @"from"];
       [headerMap setObject: [recipient mailAddress] forKey: @"to"];
       mailDate = [[NSCalendarDate date] rfc822DateString];