与邮件系统相关的国际标准协议

 与邮件系统相关的国际标准协议：    
  RFC   821   -   Simple   Mail   Transfer   Protocol    
  RFC   822   -   Standard   For   The   Format   Of   ARPA   Internet   Text   Messages    
  RFC   974   -   Mail   Routing   And   The   Domain   System    
  RFC   1123   -   Requirements   for   Internet   Hosts   --   Application   and   Support    
  RFC   1652   -   SMTP   Service   Extension   for   8bit-MIMEtransport    
  RFC   1842   -   ASCII   Printable   Characters-Based   Chinese   Character   Encoding    
  RFC   1869   -   SMTP   Service   Extensions    
  RFC   1892   -   The   Multipart/Report   Content   Type   for   the   Reporting   of   Mail   System    
  RFC   1893   -   Enhanced   Mail   System   Status   Codes    
  RFC   1894   -   An   Extensible   Message   Format   for   Delivery   Status   Notifications    
  RFC   1939   -   Post   Office   Protocol   -   Version   3    
  RFC   1957   -   Some   Observations   on   Implementations   of   the   Post   Office   Protocol   (POP3)    
  RFC   2197   -   SMTP   Service   Extension   for   Command   Pipelining     
   

Requests For Comments

http://www.rfc-editor.org

http://www.freesoft.org/CIE/RFC/index.htm