Posts from the community tagged with smtp auth...
What the SMTP Authentication Is and Why You Can’t Ignore It
How would you feel if anyone could send emails from your mail server? Greenlight for spammers – no way! That’s why Google and other email service providers protect their servers from unauthorized use. Senders need to authenticate and prove that they have a valid account. If they don’t, the server will reject their request. All of this is possible with SMTP authentication, also known as SMTP AUTH.
