MAIL FROM: Subsequent the identification command, the sender will share code that specifies who the mail is from. This outlines the email handle and tells the SMTP server that a completely new transaction is going to start. SMTP, which means Very simple Mail Transfer Protocol, can be an email protocol https://allyourbookmarks.com/story16920197/5-tips-about-linux-server-premium-support-you-can-use-today