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How to Use Hscan Smtp Scanner to Find Vulnerable Email Servers
Hscan Smtp Scanner is a free tool that allows you to scan the internet for email servers that are vulnerable to SMTP relay attacks. SMTP relay attacks are a type of spamming technique that involves sending emails from a compromised server to other recipients, bypassing spam filters and authentication mechanisms.
In this article, we will show you how to use Hscan Smtp Scanner to find vulnerable email servers and how to protect your own server from being exploited. We will also provide you with a link to download the latest version of Hscan Smtp Scanner for free.
What is Hscan Smtp Scanner
Hscan Smtp Scanner is a simple and fast tool that scans the internet for email servers that are open to SMTP relay attacks. It works by sending a test email to a random recipient from a list of domains and checking if the server accepts it. If the server accepts the email, it means that it is vulnerable to SMTP relay attacks and can be used to send spam emails.
Hscan Smtp Scanner has several features that make it easy and convenient to use, such as:
It supports multiple threads and proxies for faster scanning.
It can scan IP ranges, domain names, or import a list of targets from a file.
It can save the results in a text file or export them to Excel.
It can generate random email addresses or use a custom list of recipients.
It can customize the subject and body of the test email.
How to Use Hscan Smtp Scanner
To use Hscan Smtp Scanner, you need to follow these steps:
Download the latest version of Hscan Smtp Scanner from here.
Extract the zip file and run the Hscan.exe file.
Select the scan mode (IP range, domain name, or file) and enter the target(s) you want to scan.
Select the number of threads and proxies you want to use. You can also import a list of proxies from a file.
Select the email settings. You can either generate random email addresses or use a custom list of recipients. You can also customize the subject and body of the test email.
Click on Start Scan and wait for the results. The results will show you the IP address, domain name, port number, and status of each target. The status will indicate whether the target is vulnerable (Open Relay) or not (Closed Relay).
You can save the results in a text file or export them to Excel for further analysis.
How to Protect Your Email Server from SMTP Relay Attacks
If you are running an email server, you need to make sure that it is not vulnerable to SMTP relay attacks. Otherwise, you risk having your server used by spammers and hackers to send malicious emails. This can damage your reputation, consume your bandwidth, and expose you to legal liabilities.
To protect your email server from SMTP relay attacks, you need to configure it properly and implement some security measures, such as:
Restricting the access to your SMTP server only to authorized users and devices. You can use authentication methods such as passwords, certificates, or IP filtering.
Enabling encryption on your SMTP server to prevent eavesdropping and tampering. You can use protocols such as SSL/TLS or STARTTLS.
Using anti-spam software on your SMTP server to detect and block spam emails. You can use tools such as SpamAssassin, MailScanner, or Rspamd.
Monitoring your SMTP server logs and traffic regularly to identify any suspicious or abnormal activity. You can use tools such as Splunk, Nagios, or Zabbix.
Conclusion
Hscan Smtp Scanner is a free tool that can help you find email servers that are vulnerable to SMTP relay attacks. It is easy and fast to use and has several features that make it convenient and flexible. However, you should use it responsibly and ethically and not abuse it for malicious purposes.
If you are running an email server, you should also take steps a474f39169