[DllImport ("gmime")]
		static extern IntPtr g_mime_message_get_recipients (IntPtr message, int type);
		
		public InternetAddressList GetRecipients (GMime.RecipientType type)
		{
			IntPtr list = g_mime_message_get_recipients (Handle, (int) type);
			
			return new InternetAddressList (list);
		}
		
		public InternetAddressList To {
			get { return GetRecipients (RecipientType.To); }
		}
		
		public InternetAddressList Cc {
			get { return GetRecipients (RecipientType.Cc); }
		}
		
		public InternetAddressList Bcc {
			get { return GetRecipients (RecipientType.Bcc); }
		}
		
		public System.Collections.IEnumerable References {
			get {
				GMime.HeaderList headers = HeaderList;
				
				if (headers == null)
					yield break;
				
				string references = headers["References"];
				
				if (references == null)
					yield break;
				
				GMime.References refs = GMime.References.Parse (references);
				GMime.References iter = refs;
				
				while (iter != null) {
					yield return iter;
					iter = iter.Next;
				}
				
				yield break;
			}
		}
		
		[DllImport("gmime")]
		static extern IntPtr internet_address_list_to_string (IntPtr list, bool encode);
		
		public string GetRecipientsAsString (GMime.RecipientType type, bool encode)
		{
			IntPtr list = g_mime_message_get_recipients (Handle, (int) type);
			IntPtr str;
			
			if (list == IntPtr.Zero)
				return null;
			
			str = internet_address_list_to_string (list, encode);
			
			return GLib.Marshaller.PtrToStringGFree (str);
		}
		
		public string GetRecipientsAsString (GMime.RecipientType type)
		{
			return GetRecipientsAsString (type, false);
		}
		
		[DllImport("gmime")]
		static extern void g_mime_message_get_date (IntPtr message, out IntPtr date, out int gmt_offset);
		
		[DllImport("gmime")]
		static extern void g_mime_message_set_date (IntPtr message, IntPtr date, int gmt_offset);
		
		public DateTime Date {
			get {
				int tz_offset;
				IntPtr date;
				
				g_mime_message_get_date (Handle, out date, out tz_offset);
				
				return GLib.Marshaller.time_tToDateTime (date);
			}
			
			set {
				g_mime_message_set_date (Handle, GLib.Marshaller.DateTimeTotime_t (value), 0);
			}
		}