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How to cleverly protect your email from spam?
In this era of rapid digital development, email is still an important tool for our daily communication. However, as usage increases, so does the issue of spam. Various anti-spam technologies have also emerged, but no method is foolproof. Inefficient anti-spam measures may cause real emails to be mistakenly blocked.
How can we cleverly protect our emails to avoid being disturbed by spam?
Client tips
For individual users, there are several ways to limit the visibility of email addresses, thereby reducing the chance of receiving spam.
Share carefully
Sharing your email address only to a limited number of contacts is one of the best ways to reduce the risk of address harvesting. In addition, when you need to forward an email to multiple recipients you don't know, you should choose the "hidden copy (BCC)" method to prevent all recipients from seeing other people's email addresses.
Address concealment technology
Email addresses published on the web, Usenet, or in chat rooms are vulnerable to harvesting. In this case, address cloaking technology can be used, which is to disguise the email address in a way that allows humans to reconstruct the content inside. For example, write the email address as "no-one at example dot com" instead of displaying the full address. Another alternative is to display part of the email address as an image, or as jumbled text via CSS.
Avoid replying to spam
Not replying to spam emails is common advice because replying is seen by spammers as confirmation that the email address is valid. Many spam emails also contain links or other URLs, which are often risky and should be treated with caution.
Contact form
Many businesses and individuals will ask to be contacted through the "contact form" on the web page to avoid publishing their email address. However, these forms sometimes cause inconvenience to users because they cannot use their favorite email client and may easily enter the wrong reply address.
Disable HTML email
Many modern email programs incorporate web browser functionality, such as displaying HTML and images. While disabling these features won't completely prevent spam, it will reduce the risk of users encountering unnecessary trouble when opening spam messages, such as inappropriately displayed images and link tracking.
Disposable email address
If you need to provide an email address to a website but you can't trust the website, consider using a disposable email address. These addresses can be simply disabled or discarded and forwarded to real accounts to protect their privacy.
Automated anti-spam technology
Email administrators can also reduce spam volume through a variety of apps, devices, and files. Common measures include the following:
Authentication system
With the widespread adoption of standards such as SPF, DKIM, and DMARC, domain owners can now better identify authorized emails, which not only reduces spam but also reduces the risk of penetration attacks.
Challenge/Response System
This is a testing system for unknown senders. Only emails that pass the test will be delivered, thus effectively reducing spam.
Check code filter
Checkcode filtering allows the system to identify similar emails from the same source, a technology that relies on identifying and rejecting email content.
Regional filtering
Some mail servers prevent spam from certain countries and therefore filter based on the sender's IP address.
Continuous efforts
While a variety of methods and techniques exist to reduce the impact of spam, emerging technologies continue to contribute to its evolution. Effectively protecting email relies not only on tools and techniques, but also on the vigilance and strategies of the users themselves.
Facing the ever-changing network environment, have you ever thought about how to creatively protect your email security?
