Do you have any idea about the concept of email filtering? Let’s provide you a quick insight about it in this post!
An email is one of the most common and prominent means of communication, especially in the corporate world.
When we compare an email service to phone calls or text messages, it is considered one of the most formal ways of communication as it has its own particular way of conduct as well as operation. discipline.
But, however, many email services are regularly attacked by redundant and malicious emails, which are called spams. email messages. It is said that more than 60% of the email messages which circulate the email inboxes daily are spam emails.
This basic statistic would help you to understand how widespread email spamming is and how enormous a threat it is in a safe and a significant correspondence through emails.
Here, an email filtering service comes into focus. Email filtering is a processing of emails to arrange them as per specified criteria. It consists of a program which is used to detect unwanted emails and even prevent these emails from getting to your inbox.
Spam attackers find various ways to interrupt personal email networks when email messages are on their way from a source server to a destination server.
Spam messages could contain anything such as viruses, spyware, malware, adware and even misleading and malicious contents. Spams email messages not only trap an email receiver to click on them, but they also throw an enormous blow at productivity, clog up email inboxes with undesirable messages and even decrease the morale of an email communication.
There is no denying the fact that everyone has received numerous spams emails and would continue to receive them as it is practically difficult to make email inboxes 100% spam free.
Though, a number of spam emails you receive and their seriousness could be minimized by employing an appropriate email filtering technique.
Email filtering consists of various programs, which filter and separate specific emails into different folders as per specified criteria. They provide an approach to arranging emails into various categories consequently, such as separate locations or folders for work, subscriptions, personal and even other services.
How An Email Filtering Service Works
Email filtering is one of the best and proven techniques to control spam. It is offered in three distinctive ways, including computer installed software packages, on-premise appliances, and cloud-based services.
There are various types of spam filters offered within these services, and the most popular spam filters are header filters, content filters, permission filters, challenge-response filters, rules-based filters, general blacklist filters, and much more.
Let’s take a look at how an email filtering service works.
- An email filtering service uses an enormous database of IP (Internet Protocol) addresses, which is called a mail exchange record. When an email is sent out from a source server, it needs to pass through a mail exchange record before reaching a destination server.
- A mail exchange record keeps up two separate records that are a white list whitelist and a blacklist and if a source server or a destination server indicates out to be the boycotted IP addresses, it is comprehended that a sender or a receiver is a spammer.
- Email filtering services are updated by consistently refining whitelist and blacklists and changing spam filters based on the prerequisites and the preferences of the customer. Otherwise, there is a high risk that spammers discover new ways to bypass blacklists and strike you in boxes.
Apart from the email filtering services, you should also search for new techniques because spammers may have adopted and quickly come up with countermeasures.
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