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How to reduce your company's email spam rate

8 July, 2023 · 5 min read·Email newsletters
How to reduce your company's email spam rate
Learn how to reduce your company's email spam rate and increase your email deliverability with our tips and best practices. Keep your inbox organized and your customers engaged.

As a business owner or marketer, you rely on email to communicate with your customers, prospects, and partners. However, many of these messages can end up in recipients' spam folders or, worse, be blocked entirely. High email spam rates can harm your brand reputation, lower open rates, and ultimately decrease revenue. This blog post will show you how to reduce your company's email spam rate and avoid being blacklisted by DNSBLs like SORBS, DNSBL SPFBL, and MXToolbox blacklist.

Importance of reducing email spam rate

A high email spam rate can negatively impact a company's reputation and brand image. It can also lead to filtering or blocking emails, reducing the effectiveness of email marketing campaigns and other communication efforts. Furthermore, a company's emails marked as spam can result in wasted resources and lost revenue. Therefore, reducing email spam rate should be a priority for any company that wants to ensure the intended recipients receive its messages.

Understanding DNSBLs

Explanation of DNSBLs

DNSBLs (Domain Name System Blacklists) are a vital tool that helps reduce email spam rates. DNSBLs are used to block messages from specific IP addresses or domains that have been identified as spam sources. These lists are maintained by various organizations and are designed to be queried by mail servers to ensure that incoming email traffic is clean and legitimate.

Popular DNSBLs

Some popular DNSBLs include SORBS, DNSBL, SPFBL, and MXToolbox blacklist. These DNSBLs maintain real-time spam and abuse databases, which email servers worldwide use to detect and block spam messages. Regularly checking whether your company's IP or domain is blacklisted on any of these DNSBLs is essential.

How to check if your company's domain or IP is blacklisted on these DNSBLs

To check if your IP or domain is blacklisted on these DNSBLs, you can use the DNSBL lookup tool or query their databases manually by entering your IP address or domain name. You can use services like mxtoolbox.com or free tools provided by DNSBL services. If your IP or domain is listed on any of these DNSBLs, it means that your email messages are most likely marked as spam or blocked altogether.

Impact of DNSBL listing on email deliverability

Being blacklisted on DNSBLs significantly impacts the email deliverability of your company. When your IP or domain is listed on a DNSBL, most email servers around the globe block or quarantine that email traffic. Your company might lose out on potential business opportunities, and your reputation might be hit. It is essential to check whether your company's domain or IP is listed on any of these DNSBLs regularly and take appropriate measures to restore your email deliverability.

Common DNSBL removal procedures

If your company's domain or IP is listed on a DNSBL, it's crucial to take action to remove it. Failure to do so can result in a high spam rate and negatively impact your company's credibility. Here are some common DNSBL removal procedures to follow:

Steps to remove from DNSBLs

The first step in removing your company from a DNSBL is to identify which DNSBL the domain or IP is listed on. Once you have this information, you can follow the removal process specific to that DNSBL. The steps generally involve sending a removal request to the DNSBL's "abuse" or "postmaster" email address and providing information about the steps to prevent future spam. Some DNSBLs charge a fee for removal, while others offer free services.

Details about DNSBL removal procedures

One of the most well-known DNSBLs is SORBS, which has a detailed procedure for listing removal. SORBS requires the submission of a "delist" form, as well as evidence of steps taken to prevent further spam. For DNSBL-1.uceprotect.net removal, a "protected IP" must be purchased to prevent further blacklisting. Understanding the specific procedures for each DNSBL is essential to ensure successful removal.

Importance of following these procedures

Following the DNSBL removal procedures recommended by the respective DNSBL is essential to prevent future blacklisting. Failure to do so can result in multiple listings on the same DNSBL or other blacklist services, causing additional difficulties in email delivery and reputation management. Following the correct procedure can also help establish a positive relationship with DNSBL providers and reduce the chance of future listings.

Importance of DNSBL monitoring

It's vital to monitor your company's presence on DNS blocklists regularly. This can be done using monitoring tools like MXToolbox and DNSBL SPFBL. Monitoring can help identify potential issues early, allowing you to take action before being negatively impacted. DNSBL monitoring can also contribute to your company's overall email deliverability and reputation management.

Preventing email spam

Email spam not only wastes time for employees but also poses a security risk to organizations. Here are some best practices to prevent email spam:

Set up SPF records

Sender Policy Framework (SPF) records allow domain owners to specify which servers are authorized to send emails from their domain. This prevents spammers from masquerading as your organization and sending fraudulent emails to your customers. Verify that your SPF records are set up correctly, and monitor them regularly to ensure they are updated as needed.

Use DKIM

Domain Keys Identified Mail (DKIM) verifies that an authorized domain owner sent an email message and has not been tampered with during transmission. DKIM uses cryptographic signing to verify that the emails coming from your organization are indeed genuine.

Use DNS filter lists

DNS filter lists allow organizations to filter incoming emails based on various criteria, including sender IP address and attachment type. This enhances email security by blocking spam and malicious emails before they reach the user's inbox.

Avoid getting blacklisted on DNSBLs

To avoid being blacklisted on DNSBLs, ensure your email server is up-to-date and secure. Keep an eye on your email traffic, block any suspicious activity, and avoid sending bulk emails from your network without signing up for a third-party email delivery service.

Abusix Mail Intelligence blacklist is a service to help organizations stay aware of whether their IPs land in any blacklist database. By doing this, you can take action as soon as possible to clean up your IP's reputation and avoid any potential future blacklisting. Review the service regularly and remove any listings as soon as possible.

Implementing these best practices will significantly reduce the amount of spam your organization receives. It's essential to monitor your email traffic regularly and act promptly if you notice an increase in spam emails. By following these steps, you can keep your organization's reputation clean and maintain the security of your emails.

Reviewing SendGrid spam reports

When reducing your company's email spam rate, it's important to review and analyze your email metrics regularly. SendGrid is a powerful email marketing tool that can provide you with detailed spam reports for your campaigns.

Tips for reviewing SendGrid spam reports

Start by analyzing your email campaigns' spam scores. This score reflects the likelihood that your emails are being flagged as spam. A higher spam score can adversely impact your email deliverability and lead to more emails getting blocked or landing in your recipient's spam folder.

Understanding the spam score and feedback loop

SendGrid's spam score is calculated based on several factors, including the sender's reputation, email content, and subject line. If your emails have a high spam score, your emails will be more likely to get marked as spam by email filters, affecting the email deliverability rates.

You should also pay attention to feedback loop reports, which enable you to see which of your recipients mark your emails as spam through their email client software. This is valuable data as it allows you to identify potential issues with your sending practices and better understand your audience's preferences and opinions.

How to take corrective measures based on SendGrid spam reports

The key to using SendGrid spam reports to reduce your company's email spam rate is to review and take corrective measures based on the data provided in the reports. The corrective measures include changing your sending frequency, optimizing your email content and subject lines, and removing subscribers that are not engaged with your emails.

By addressing the issues highlighted in the spam reports and improving your email deliverability rates, you can ensure that your emails will reach your intended audience's inbox, ultimately leading to better engagement and conversions.

Choosing the best RBL for your company

Reducing email spam rate is key to maintaining good email deliverability and avoiding damage to your company's reputation. Using a reliable Real-time Blackhole List (RBL) is important to manage your email traffic. In this section, we discuss how to choose the best RBL for your company and the criteria you should keep in mind.

Popular RBLs

There are many RBL providers in the market, and the goal is to choose the one that meets your company's needs while also providing the most comprehensive coverage. Nordspam DBL focuses on blocking domains and IP addresses associated with spam. GBUDb truncate is designed to reduce the number of false positives and is known for its low error rate. RATS Dyna provides a fast and real-time response, which can benefit high-traffic email senders.

Criteria for choosing an RBL

When choosing an RBL, it's important to consider factors such as accuracy, impact on deliverability, and cost. Accuracy means that the RBL should have a good reputation for catching spam while avoiding false positives. The impact on deliverability is important because some RBLs may block legitimate emails, leading to lost business opportunities. The cost will also be a consideration, especially if you operate a small or medium business with a limited budget.

The Importance of monitoring DNS Blocklists

Once you have chosen your RBL provider, monitoring other DNS blocklists is essential to ensure your company's email traffic is not blocked. This can be done using online tools that allow you to check the status of your domain or IP address at popular DNSBLs like SORBS, DNSBL-1.uceprotect.net, and DNSBL SPFBL. Regular monitoring helps you keep track of your email deliverability and detect any problems before they impact your business.

Improve email presence with the help of B12 email marketing tools

B12 is the all-in-one platform that helps professional service small businesses launch an online presence with tools like email marketing. With their email marketing & automation tools, you can send engaging emails that promote your services in a matter of minutes. 

Additionally, it features pre-written messages, brand-aligned templates, quick editing, and automated workflows that make it easier to develop client relationships without taking up a lot of your time. You can also test your emails before officially sending them to your contacts. 

Need a professional online presence for your business? Try B12 today to get a website built by AI and refined by expert designers, copywriters, and SEO specialists. Make DIY changes any time you want. Launch in 30 days or less with client-engaging tools like scheduling and payments.

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