Description of the illustration ''%s''mappings_and_mail

This figure shows where mapping tables are activated (if necessary) during the mail acceptance process. A PORT_ACCESS rejection response occurs at the initial connection from a remote host. A FROM_ACCESS rejection occurs in response to the MAIL FROM: command, before the recipient information or message data can be sent. A SEND_ACCESS or MAIL_ACCESS rejection occurs in response to a RCPT TO: command, before the message data can be sent.