SMTP AUTH ‘calls for’ the sender is authorized to make use of the server to send emails. It causes it to be more challenging to impersonate true people, protecting them from spoofers and spammers. Although the newest versions of SSL can nevertheless be applied, they attribute a variety of vulnerabilities https://itsupport67777.eedblog.com/26571367/not-known-factual-statements-about-server-security-expert