Changes of Sylpheed
+* 0.7.3
+
+ * Attached files will be inherited on forwarding or reediting.
+ * Filter rules will be also updated when renaming or deleting folders.
+ * 'Get all' and 'Check for new messages' now works for IMAP4 and News
+ accounts.
+ * Limit of Receive size for POP3 has been implemented.
+ * The new notebook tab interface for multipart messages has been
+ implemented, and text parts are displayed on the text view all together.
+ * Separate user ID and password can be used for SMTP AUTH.
+ * ISO-8859-15 support has been added.
+ * Cancellation of POP3 session is now handled correctly.
+ * Some bugfixes have been made.
+
+* 0.7.2
+
+ * Message moving between different type of folders has been enabled.
+ * PGP decryption failure bug has been fixed.
+ * IMAP4 APPEND command failure has been fixed.
+ * Selection reply bug has been fixed.
+ * The bug that the external editor fails to launch when quotation
+ characters are used in the command line, has been fixed.
+ * 'Show all header' and 'Thread view' became toggle switch.
+ * Some code cleanups have been made.
+
* 0.7.1
* Message copy between different type of folders has been enabled.