diff --git a/trunk/ripnews/ripnews.rb b/trunk/ripnews/ripnews.rb
index 4a65b68..833e6b7 100755
--- a/trunk/ripnews/ripnews.rb
+++ b/trunk/ripnews/ripnews.rb
@@ -182,37 +182,51 @@ def check_config
 		unless @config[i].has_key?("PERMISSION")
 			@config[i]["PERMISSION"] = "0755"
 		end
+		if @config[i].has_key?("EXTENSIONS")
+			@config[i]["-S"] = @config[i]["EXTENSIONS"]
+			@config[i]["-M"] = @config[i]["EXTENSIONS"]
+		end
+		if @config[i].has_key?("-S") and ! @config[i].has_key?("-M")
+			@config[i]["-M"] = "(?!.*)"
+		end
+		if @config[i].has_key?("-M") and ! @config[i].has_key?("-S")
+			@config[i]["-S"] = "(?!.*)"
+		end
 	}
 end
 
 def get_single(subj)
-	print "	Singlepart!\n"
+	print "	Fetching singlepart article: #{subj}\n"
 	body = @articles.get_group_body(subj)
 	if @articles.is_uuencoded(body)
 		mode, filename, body = @articles.uudecode(body)
+		return false unless check_ext(filename, "s")
 		return mode, filename, body
 	end
 	if @articles.is_yencoded(body)
 		mode, filename, body = @articles.ydecode(body)
+		return false unless check_ext(filename, "s")
 		return mode, filename, body
 	end
-	print "unknown encoding (not UU, not yEnc), skipping...\n"
+	print "	Unknown encoding (not UU, not yEnc), skipping...\n"
 	return false
 end
 
 def get_multi(subj, group)
-	print "	Multipart!\n"
+	print "	Fetching multipart article: #{subj}\n"
 	if @config[group]["TEMPDIR"] == nil or @config[group]["TEMPDIR"] == ""
 		body = @articles.get_group_body(subj)
 		if @articles.is_uuencoded(body)
 			mode, filename, body = @articles.uudecode(body)
+			return false unless check_ext(filename, "m")
 			return mode, filename, body
 		end
 		if @articles.is_yencoded(body)
 			mode, filename, body = @articles.ydecode(body)
+			return false unless check_ext(filename, "m")
 			return mode, filename, body
 		end
-		print "unknown encoding (not UU, not yEnc), skipping...\n"
+		print "	Unknown encoding (not UU, not yEnc), skipping...\n"
 		return false
 	else
 		body = @articles.get_group_body_first(subj)
@@ -223,6 +237,7 @@ def get_multi(subj, group)
 			return false unless @articles.get_group_body_rest(subj, file)
 			fileout = Tempfile.new("riptmp", @config[group]["TEMPDIR"])
 			mode, filename, body = @articles.uudecode(file, fileout)
+			return false unless check_ext(filename, "m")
 			body = fileout.path
 			file.close
 			fileout.close
@@ -234,6 +249,7 @@ def get_multi(subj, group)
 			return false unless @articles.get_group_body_rest(subj, file)
 			fileout = Tempfile.new("riptmp", @config[group]["TEMPDIR"])
 			mode, filename, body = @articles.ydecode(file, fileout)
+			return false unless check_ext(filename, "m")
 			body = fileout.path
 			file.close
 			fileout.close
@@ -268,6 +284,26 @@ def output_data(subject, mode, filename="", body="")
 	return true
 end
 
+def check_ext(filename, mode)
+	case mode
+	when "s"
+		if @config.has_key?("-S")
+			return filename =~ /\.(#{@config["-S"]})$/
+		else
+			return true
+		end
+	when "m"
+		if @config.has_key?("-M")
+			return filename =~ /\.(#{@config["-M"]})$/
+		else
+			return true
+		end
+	else
+		print "Illegal mode \"#{mode}\" in check_ext\n"
+		exit
+	end
+end
+
 #############################################################################################
 
 defaults = {'-c' => "#{ENV['HOME']}/.ripnewsrc"}
@@ -300,7 +336,6 @@ for group in @config.keys.sort
 		   i =~ /#{@config[group]["-I"]}/
 			print "Match: #{i}\n" if Debuglevel > 0
 			if @articles.group_is_complete(i)
-				print "	Fetching: #{i}\n"
 				if @articles.group_is_singlepart(i)
 					mode, filename, body = get_single(i)
 				elsif @articles.group_is_multipart(i)