Avoiding Spam Traps: Best Practices for Email Deliverability
In today’s digital age, email has become the primary way to communicate. However, the key to effective communication is ensuring that your emails reach the inboxes of their intended recipients instead of being blocked or marked as spam.
One of the biggest obstacles email marketers face is spam traps. Spam traps are specifically designed to identify and filter out unwanted messages. Understanding these traps and implementing strategies to avoid them is critical to email deliverability.
In this article, we will delve into the world of spam traps, explore their types, and provide actionable tips for preventing them.
What is a spam trap?
Spam traps are email addresses used by Internet Service Providers (ISPs) to identify and block senders who send email to outdated contacts or non-targeted recipients. They are virtual traps set up to test your email practices.
Typically, spam traps look like legitimate but are not or no longer used by real users.
If you attempt to email one of these addresses, your sending information is automatically recorded and flagged as spam, potentially leading to a negative impact on your email reputation.
A more concrete example
Let’s say your company has dedicated email, but no one sends email from them, or there are problems with payment or use of the mailbox. These are then considered inactive and/or abandoned.
For a few months, they will be deactivated and emails sent to it will be bounced with a hard bounce code explaining that this mailbox is deactivated and that you should stop automatic sending.
After a period of time, usually a few months, the provider may decide to reactivate these email to set up the spam trap.
For example, if you continue to send marketing emails to these addresses, you will be considered a spammer.
This will cause ISPs to identify you as a spammer and block you from sending further email.
Most email software will automatically block sending to addresses that experienced a hard bounce. But it’s important to note that soft bounces can still happen. Also, sending software may not always be accurate in classifying bounces, resulting in some hard bounces going undetected.
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Understanding Different Types of Spam Traps
Intact or primitive traps
Intact traps are created for the purpose of fooling spammers. They are typically hidden on web pages or in HTML code and are designed to look like real addresses. When a sender tries to reach one of them, the ISPs receive a notification and can take action to block the sender and prevent the spread of future spam.
This type of trap is also known as a honeypot or pristine spam trap. They can be used by companies to monitor their deliverability and evaluate the security of their email system.
Recycled or inactive traps
Recycled spam traps (also known as inactive spam tram) have been inactive for a long period of time, but are then reactivated to be used as spam traps. This type of trap is often created by reactivating an email address that was abandoned or never used, but existed.
ISPs use these traps to identify the senders of unwanted email, and trick them into emailing to these addresses. If you contact them, it indicates that you may be involved in sending spam. You can then block the sender to prevent future spam.
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Tips to Avoid Falling into Spam Traps
The impact on your email depends on the type of spam trap you encounter. Primitive traps have a greater impact than recycled traps.
If you email an untouched or empty trap, your domain, or IP address may be immediately added to a spam list. To avoid traps, it is important to follow certain rules.
Regularly Clean Your Contact Lists
To minimize the risk of falling into a spam trap, it is crucial to clean your contact lists regularly. Cleaning your contact list can include deleting inactive or obsolete email addresses, as well as correcting typos and spelling errors. It is also essential to respect unsubscribe requests and stop sending emails to those who have explicitly asked not to receive them. By maintaining a clean contact list, you can ensure better deliverability and avoid spam traps.
Use your own emailing lists
To optimize the deliverability of your email, the best is to use your own emailing lists. If you want to expand your communication quickly, it is tempting to buy lists. However, this is very risky because many lists for sale contain spam traps. By using these lists, you run the risk of compromising your emailing strategy.
It is better to build your list naturally by getting explicit permission from each contact. This will ensure that you have a quality list of contacts and avoid bad deliverability practices.
Implement double opt-in at registration
When signing up new subscribers, you can implement a double opt-in policy. This involves asking the user to confirm their email address when they sign up. This process ensures that the email entered is correct, but more importantly, that the user has chosen to receive your communications.
What is the logic of spam filters through these traps?
It is important for every email marketer to maintain good list hygiene and efficient contact management.
To do this, it is crucial to regularly remove invalid email addresses from your mailing list. Otherwise, you risk being penalized. If an email address has been inactive for many months and is still being sent emails, it is likely that it comes from a purchased database. (And yes, if that email is considered invalid and not used, how could it subscribe to your newsletter, for example?)
Other factors that influence email deliverability
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