What greylisting is? Greylisting is antispam technique, be done using the mail message agent (MTA). Using this method, e-mails with unknown IP addresses are rejected on the first attempt at delivery and the sending serverContinue reading
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Protection Against Spam – Sending Only with SMTP Authentication
What is SMTP authentication? When sending an email, mail servers require you to log in before the email can be sent. Otherwise, anyone could send an email “as us.” SMTP authentication is the process ofContinue reading