Stop: If the email has been sent, the customer sends the Stop command on the server, severing the relationship. If it has been productively shut, the server will reply using a 221 code. Unique protocols in the sending course of action: SMTP is utilized to mail email, POP and https://it-support-services90990.spintheblog.com/27049222/5-easy-facts-about-linux-postfix-mail-server-setup-described