Monday, March 4, 2024

Email Spoofing Tool to Detect Open Relay Configured Public Mail Servers

Cybercriminals use Email spoofing methods to deliver forged emails to recipients. the email servers that are available publically available can be used for Email spoofing attacks. With GBHackers Email spoofing Tool you can test that your server is configured with an open relay.

An open relay is an SMTP server configured in such a way that allows a third party to relay (send/receive email messages that are neither from nor for local users). Therefore, such servers are usually targeted by spam senders to send spoofed emails to victims’ inboxes.

You can read our article on Email Spoofing – Exploiting Open Relay configured Public Mailservers for more details.

GBHackers Email Spoofing Tool

You can clone or download the tool from GitHub. Here we demonstrate our tool on how to check whether your Email servers are vulnerable to Email spoofing attacks or not.

Here are the simple steps to detect Open Relay Configured Public Mailservers with our Email spoofing Tool.

Step 1: Clone the tool from Github.

Email spoofing Tool

Step 2: Once the tool is cloned, navigate to the folder and run python

Email spoofing Tool

Step 3: Then it asks to fill in the victim’s email address and the mail server’s address.

Email spoofing Tool

Step 4: Then you should enter the message that you want to send.

Email spoofing Tool

Step 5: If the mail server is vulnerable it shows “Your message is on the way 147”, if it is not vulnerable then it throws an error message.


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The misuse of the information on this website can result in criminal charges brought against the persons in question.

The authors and will not be held responsible in the event any criminal charges be brought against any individuals misusing the information on this website to break the law.


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Guru baran
Guru baran
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

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