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backup_imap/backup_imap.py

@@ -100,6 +100,7 @@ class BackupImap:
         if not os.path.exists(mailbox_path):
             os.mkdir(mailbox_path)
         current = time.gmtime()
+        # One year at a time because big mailboxes will take all memory due to Python IMAP library memory handling
         for year in range(current.tm_year-10, current.tm_year+1):
             search_response, search_data = self.imap.search('UTF-8', f'(BEFORE "1-Jan-{year}")')
             if search_response == 'OK':