package org.sakaiproject.email.api;
/**
* Common email header constants. These are defined in an interface as Strings because using an enum
* would have lost the use of dashes and created the need for more verbose enum code resulting in
* the same effect as this interface.
*
* @author Carl Hall (carl.hall@et.gatech.edu)
*/
public interface EmailHeaders
{
String FROM = "From";
String TO = "To";
String CC = "Cc";
String SUBJECT = "Subject";
String DATE = "Date";
String CONTENT_TYPE = "Content-Type";
String CONTENT_TRANSFER_ENCODING = "Content-Transfer-Encoding";
String REPLY_TO = "Reply-To";
String REFERENCES = "References";
String IN_REPLY_TO = "In-Reply-To";
String LIST_ID = "List-Id";
String MESSAGE_ID = "Message-Id";
}