Penetration Testing Mail Server with Email Spoofing – Exploiting Open Relay configured Public Mail Servers

Email spoofing is the way of delivering forged emails to recipients.These methods are used by criminals to launch attacks like phishing or spams to provide persistent backdoors with legitimate behavior. Publicly available email servers can be used for spoofing attack.If you have configured your mail server with OPEN RELAY, this dangerous email spoofing attack can be performed by attackers.

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