What types of spam filters exist?
Posted: Thu Dec 05, 2024 8:15 am
Do you know the potential of anti-spam filters? The main enemy of any email marketing campaign is junk mail or spam . That is why all ISPs have tools or systems against dangerous content that make sure that spam does not even reach the email inboxes of subscribers.
These malicious mail filters are a method of classifying which emails are considered spam and which are valid based on the analysis of the sender's identity, which appears in the message headers and the analysis of the email content.
TABLE OF CONTENTS
Almost 50% of emails are spam
Spam affects all types of brands
2 main types of antispam filters
1.- Bayesian antispam filters
2.- Blacklists
The Robinson lists
3.- Firewalls
4.- Challenge/Response Filters
5.- Reputation-based list of niue consumer email antispam filters
Online reputation factors
MDirector reputation ratings
Almost 50% of emails are spam
SPAM email data 2021
According to Kaspersky Labs' SecureList, spam still accounts for nearly 50% of email communications . Specifically, in the second quarter of 2021, the average spam rate in traffic reached 48.03%.
The majority of spam in 2021, as in 2020, came from Russia. Germany is in second place, with a significant increase. The United States completes the podium, maintaining the figures for the last few years.
Spam affects all types of brands
Organizations attacked by spam
Many companies think that because they are small, or because of the sector in which they operate, they will not be targeted by spammers. Nothing could be further from the truth. In fact, as shown in the image above, almost any type of company and sector can suffer from phishing.
However, there are some sectors that are more prone to being attacked. Thus, 51.47% of the detections made by antiphishing systems occurred on pages that mention names of financial categories. These include:
These malicious mail filters are a method of classifying which emails are considered spam and which are valid based on the analysis of the sender's identity, which appears in the message headers and the analysis of the email content.
TABLE OF CONTENTS
Almost 50% of emails are spam
Spam affects all types of brands
2 main types of antispam filters
1.- Bayesian antispam filters
2.- Blacklists
The Robinson lists
3.- Firewalls
4.- Challenge/Response Filters
5.- Reputation-based list of niue consumer email antispam filters
Online reputation factors
MDirector reputation ratings
Almost 50% of emails are spam
SPAM email data 2021
According to Kaspersky Labs' SecureList, spam still accounts for nearly 50% of email communications . Specifically, in the second quarter of 2021, the average spam rate in traffic reached 48.03%.
The majority of spam in 2021, as in 2020, came from Russia. Germany is in second place, with a significant increase. The United States completes the podium, maintaining the figures for the last few years.
Spam affects all types of brands
Organizations attacked by spam
Many companies think that because they are small, or because of the sector in which they operate, they will not be targeted by spammers. Nothing could be further from the truth. In fact, as shown in the image above, almost any type of company and sector can suffer from phishing.
However, there are some sectors that are more prone to being attacked. Thus, 51.47% of the detections made by antiphishing systems occurred on pages that mention names of financial categories. These include: