It can be awkward for the application to step outside of its unix shell if it needs to make win32 calls to get more power from windows nt and windows 2000 應用程序在需要發出win32調用以從windows nt和windows 2000中獲得更多功能時,很難移出它的unix外殼。
Approach to filtering rules , which means they consist of rules that try to identify mail as " definitely spam " or " definitely not spam " . the binary approach works fine when you are looking for a malformed header , but doesn t work so well with body - text matching 大多數工具很難配置,而且依賴特定的電子郵件平臺或工具( procmail很受歡迎,因為它有強大的過濾功能,但許多用戶不再通過unix外殼程序帳號來獲取他們的郵件這真糟糕!