Spambots are automated computer programs designed to send bulk (spam) emails to a large number of users. A spambot, once deployed, will automatically collect email addresses from random sources on the Internet and use those email addresses to send junk emails, also known as spam.
Spammers usually use these spambots for sending spam emails to a large number of users. A spam email may contain a malicious attachment and spread malware. Spambots may also be used to post content (which are humiliating in nature) onto a user’s inbox or as a method of advertisement.
There is a wide range of countermeasures to deal with spam emails. Let us discuss in detail about some of the most effective spam filtering techniques.
*Spam Filtering by Content
The most commonly used technique to block spam is by filtering some common words used in spam emails. Some of the most common spam words include additional income, cash bonus and some claims you are a winner. You can filter such words or emails of such topics.
*Blacklisting Certain IPs
You can block spam emails by blacklisting certain IP addresses that are known to be used by spambots. This way, you can prevent spam emails from those IPs.
*Avoid Posting Your Email ID Publicly in the Internet
Avoid posting your real email address on the public lists and forms if you don't have to. This way you can prevent spambots from accessing your email.
If you want to post your real email address on a website or something similar, use extra spaces or preferably replace the @ symbol in your email with (at). Avoid posting your entire email ID in the form that it's used to send the message. This will reduce the chance of spambots finding your real email ID online.
*Use Contact Forms
If you are running a business, you can use contact forms on your website instead of using your real email ID. This may be your best option for reducing the amount of spam you get. Users won't see your email ID and instead fill out the form in the web browser which will send that info to your email address.
*Use an Effective Antispam Solution
Antispam solutions such as the Comodo Dome Antispam will prevent spam emails even before they reach your inbox. Apart from automatically quarantining the spam emails, there are many other benefits associated with the use of the Anti-Spam solution. You will have a limited number of false positives, filters 99.9% of spam from reaching your inbox, etc.
Comodo Dome Anti-spam is an enterprise-class antispam and threat prevention system. It uses advanced spam filtering technologies, antivirus scanners, and content analysis engines to prevent spam and junk emails from entering your network.
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