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Free SMTP Scanner: What Is It and How to Use It?
SMTP stands for Simple Mail Transfer Protocol, which is a standard for sending and receiving email messages over the Internet. SMTP servers are responsible for delivering emails from the sender to the recipient, and they can also be used for sending bulk emails or spam. However, not all SMTP servers are secure and reliable, and some of them may be compromised by hackers or blocked by anti-spam filters. Therefore, it is important to find a good SMTP server that can deliver your emails without any problems.
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One way to find a good SMTP server is to use a free SMTP scanner, which is a software tool that can scan and retrieve IP addresses of SMTP servers that are available online. A free SMTP scanner can help you find SMTP servers that are fast, reliable, secure, and not blacklisted by anti-spam services. You can use these SMTP servers for sending legitimate emails or for testing purposes.
How Does a Free SMTP Scanner Work?
A free SMTP scanner works by sending requests to a range of IP addresses and checking if they respond with an SMTP banner, which indicates that they are running an SMTP service. The scanner then collects the information about the SMTP servers, such as their IP address, port number, hostname, and response time. The scanner can also check if the SMTP servers require authentication or encryption, and if they are blacklisted by any anti-spam services.
A free SMTP scanner can scan thousands of IP addresses in a short time and provide you with a list of SMTP servers that you can use for your email needs. However, you should be careful when using a free SMTP scanner, as some of them may contain malware or viruses that can harm your computer or steal your data. You should also respect the privacy and security of the SMTP servers that you find, and not use them for illegal or unethical purposes.
What Are Some Examples of Free SMTP Scanners?
There are many free SMTP scanners available online, but not all of them are safe and reliable. Here are some examples of free SMTP scanners that you can try:
Ultra SMTP Scanner: This is a free tool that can scan and retrieve IP addresses of SMTP servers that are available online. It can scan up to 10,000 IP addresses per minute and provide you with detailed information about the SMTP servers. You can also filter the results by response time, port number, hostname, blacklist status, and more. You can download Ultra SMTP Scanner from [this website] or watch [this video] to learn how to use it.
FreeScanner: This is a free app that can read and handle almost all barcodes and QR codes. It can also scan for SMTP servers by using your phone's camera or entering an IP address range manually. It has a built-in Quicklookup feature that provides useful information about the scanned items in seconds. You can download FreeScanner from [the App Store] or visit [this website] for more information.
NAPS2: This is a free scanner software that can scan documents and images using your scanner or camera. It can also scan for SMTP servers by using the Network Scan feature, which allows you to enter an IP address range and scan for devices on your network. You can then export the results as a CSV file or copy them to the clipboard. You can download NAPS2 from [this website] or read [this article] to learn how to use it.
Conclusion
A free SMTP scanner is a useful tool that can help you find good SMTP servers for your email needs. However, you should be careful when using a free SMTP scanner, as some of them may be unsafe or unethical. You should also respect the privacy and security of the SMTP servers that you find, and not use them for spamming or hacking. A free SMTP scanner can be a great way to test your email delivery or find new email providers, but it should be used responsibly and legally.