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Struggling with emails landing in spam instead of inboxes? You're not alone.
Modern spam filters are more complex than ever, analyzing everything from content and sender reputation to recipient engagement.
In this blog, we'll break down how spam filters work, what triggers them, and—most importantly—how you can improve your email deliverability.
Outline:
Spam filters use algorithms to analyze emails, scoring factors like content, sender reputation, and engagement to determine whether emails land in inboxes or get flagged as spam.
These systems assess multiple elements of each email simultaneously to make their decision.
Knowing what triggers spam filters is key to keeping your emails out of the spam folder. Here are the main factors that can cause issues:
To run successful email campaigns, it’s important to work with spam filters rather than trying to bypass them.
Providers like Gmail and Yahoo constantly update their filtering systems, making it crucial to follow best practices and maintain a solid sender reputation.
With this understanding of spam filters, you’re ready to dive into actionable strategies to improve your email deliverability.
To improve email deliverability, focus on creating messages that feel personal and relevant.
Spam filters are more likely to flag generic, mass-distributed emails, so put effort into crafting emails that resonate with your audience.
Here’s how to make your emails stand out:
Use any available data to tailor your outreach. Understand your recipient’s needs and challenges, and reference specific details in your email.
For example, you could mention a recent achievement:
"I saw your company expanded into sustainable packaging last month - this aligns perfectly with our solutions."
A strong value proposition can significantly increase your email response rates—just like it did for one of our customers, who saw an increase of over 200%!
Maxwell, one of our Customer Success Managers here at Resquared, with seven years of experience in sales and customer success, explains how to achieve this.
Ask yourself these questions:
Instead of focusing on how good your service is, shift your focus to the value you can provide to your customers—such as a 15% increase in revenue within three months, a 30% boost in foot traffic, or a 25% reduction in customer acquisition costs.
Your subject line plays a huge role in whether your email is opened or ignored. Keep it clear and relevant, avoiding anything that might look like spam.
Use:
Avoid:
Once your email content and subject lines are in good shape, the next step is to ensure your sender reputation supports consistent inbox placement.
Your sender reputation directly impacts whether your emails land in the inbox or the spam folder.
To build trust with email providers, implement these key authentication protocols:
If you're using a sales platform like Resquared—which offers email outreach with reply rates twice the industry benchmark and handles all these authentication protocols and other technical aspects—you can focus on selling without worrying about email deliverability.
Consistency is key to maintaining a good sender reputation. Start with a small number of emails and gradually scale up to build credibility with email providers.
Here are some tips to follow:
Suggested Volume Progression:
Resquared is a powerful sales platform designed to help you improve email deliverability, access a database of 12 million local businesses, AI-powered outreach, track performance with analytics, and much more.
In this blog post, you'll discover how you can build a targeted list of 200 local businesses and send personalized emails to all of them in less than 5 minutes.
This speed and efficiency are possible thanks to a platform built from analyzing millions of sales interactions—developed by our team of sales experts and data scientists.
Want to see it in action? Schedule a demo with our team today.
Modern spam filters evaluate the overall quality of your emails, meaning spam trigger words aren't as critical as they once were.
However, it's still a good practice to avoid certain words and phrases, as they can sometimes trigger spam filters and impact deliverability.
Words and phrases to avoid when possible:
Check your spam folder and see what those emails have in common! 😉
Make sure that you (or your email platform) have implemented SPF, DKIM, and DMARC protocols to avoid authentication issues.
Keeping an eye on your email metrics is crucial for maintaining strong deliverability.
Here are the key ones to track:
Getting your emails into the inbox requires both technical know-how and thoughtful messaging. To succeed, focus on these three core areas:
Tools like Resquared can boost your outreach by providing accurate contact data and built-in features to support email deliverability for local businesses.
Keeping tabs on metrics like bounce rates and spam complaints ensures your emails consistently reach their targets!
While modern spam filters evaluate the overall quality of an email, certain phrases can still raise red flags.
Here are some examples to avoid:
A strong B2B subject line grabs attention while staying concise and professional.
Aim for under 60 characters and address specific benefits or challenges. Examples include:
To improve email deliverability, focus on both technical setup and content quality.
