How to avoid Despite your best efforts as an email marketer. Such as strictly adhering to all common anti-spam policies. You may still find that some of your recipients are not receiving your emails. While there is no way to guarantee a 100% email delivery rate . You should think about the different reasons why your emails are not reaching subscribers’ inboxes. And one of the main reasons is that they are being mark as spam.
While it may seem intimidating at first. Beating spam filters and other deliverability issues isn’t rocket science. With the right knowledge. You can reduce the chances of your emails getting caught in spam filters and get better deliverability rates.
Here, we’ll explain how spam filters work and how they determine whether an email is spam or not. We’ll also explore the most critical factors that spam filtering algorithms take into account. Finally, we’ll reveal the 10 most effective tips for getting your emails through even the most stringent spam filters . So, let’s roll up our sleeves and boost your email deliverability.
Why do emails end up in SPAM?
Let’s face it, everyone has been a victim of unwant emails and spam and wonder how to get rid of them. At best, they are simply annoying but harmless, filling your inbox with irrelevant ads and promotions. However, at worst. They can cause serious damage, such as financial and reputational losses. Through spam emails, bad guys conduct social engineering, spoofing, data theft and create all sorts of problems.
To protect their customers from these harmful Germany Doctor Email List events, Internet and email service providers incorporate spam protection systems and spam filters to keep recipients and their networks free of spam . They act as the gatekeepers of the recipient’s inbox, subjecting incoming emails to rigorous and thorough checks before they are given the green light. From the moment an email is sent until it reaches the recipient, it must pass through one or more filters that aim to identify and block malicious or unwant messages. Each spam filter has its own rules. Threshold, sensitivity, trigger words, etc. It is not possible to anticipate and predict everything. But at least it is possible to understand the most common reasons that trigger spam filters and minimize the chances of your emails ending up in spam folders.
How do spam filters work?
Spam filters use a complex set of rules, algorithms, and AI to evaluate emails and establish a spam score threshold. They put every incoming email under the microscope to decide its future. After all the checks are done, the filters assign a spam score to the emails. If the emails meet the predefined threshold, they can Business Email Lists be deliver to the recipient’s inbox without any issues. However, if the score is higher, they could be destined for the spam folder, reject entirely at the network level without any feedback to the sending server, or reject entirely with an error, such as a hard bounce.
Types of Spam Filters
In general, there are different types of spam filters. Which have different approaches to how they catch spam.
Blacklist
These filters monitor several Denylist/Blacklist databases globally and block emails from IPs list in those blacklists. Denylists (blacklists) are databases containing lists of domains and server addresses that have been reported as regular senders of spam content.
Content Filters
Content filters scan the email and look for specific words and language that might suggest the email is clickbait, a phishing email, or another type of spam. Most content filters look for Bulk Database similar things: repetitive negative words like “deals.” “Limit time,” sexual language, etc. They also look for common scams, such as the “419 scam.” Also known as the Nigerian scam since the sender impersonated a Nigerian prince asking for money with the promise of paying back a larger sum in the future.
Header Filters
These filters focus on reading information transmitt through the email header. Such as the IP address of the email. Whether the email was sent to a group of recipients, and other details, and aim to ban messages from incorrect sources, such as IPs known to be use by spammers.
Language filters
Some email providers monitor the language of emails and may block messages if the language differs from the recipient’s country. These filters can be set up differently. But in general they aim to protect recipients from content that is not suitable for their needs.
