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"; }