Its called Netiquette...
§Protocols are the standards of etiquette in your place of employment
Using proper etiquette on the Internet, including in e-mails, is called "Netiquette".
The Code of Chivalry .
Netiquette
Etiquette
Military Customs and Courtesy . Diplomatic Protocol.
being nice online and using proper etiquette called
Etiquette 101 - 2004 Wedding Etiquette was released on: USA: 17 August 2008
Etiquette 101 - 2004 Dining Etiquette was released on: USA: 16 December 2006
Etiquette 101 - 2004 Etiquette for Everyone was released on: USA: 19 November 2005
Charlotte Ford has written: 'Twenty-First-Century Etiquette' -- subject(s): Etiquette 'Etiquette' -- subject(s): Etiquette
etiquette is what, and protocol is when