TDateTime与UnixTimeStamp（时间戳）互换，考虑了时区偏移问题，适合处理MySQL的日期时间。-TDateTime and UnixTimeStamp (timestamp) exchange, considering the time zone offset issue, the date and time for dealing with MySQL.

附件為修改自Alexander J. Fanti先生的POP3/SMTP伺服器程式(含SourceCode) 此次為第二次改版,修正了下列問題 1.防止OpenRelay 2.ESmtp的Bug修正 3.解決和OutLookExpress/2003/2007的認證Bug 4.加強內寄/外寄等郵件的分類和管理,清楚記載送(來)信人/時間等資訊 降低網管人員面對其他MailServer亂數分類的負擔 輕鬆完成郵件管理 5.加強Forword-Mail/Mai

可以指定日期格式、取得本地時區及抓取本地時間與格林威治時間，並計算其中的時間差異-You can specify the date format, get the local time zone and local time and GMT time to crawl, and calculate the time difference between them

All the time zone information used by the project is provided by tz database project. This database is used in quite a few systems out there including BSDs, GNU LibC, Java, Oracle, MacOS, Linux and etc. TZDB is made of three modules: * TZU