How Can I Bypass Spam Filters?

Did you know that 99% of all cold emails go to the spam folder? It’s a scary stat that many email marketers may not realize when first starting out.

The good news? It’s not hard to outsmart your competition.

With the right knowledge and tools, you can easily bypass email spam filters to ensure your emails reach their intended recipients. Today we’ll explore the concept of email spam filters, provide methods for bypassing them, and find out why is one of the most efficient and cost-effective email deliverability tools on the market.

So if you’re looking for ways on how to effectively bypass email spam filters – then keep reading!

What Are Email Spam Filters?

Email spam filters are a type of program used to recognize and prevent undesired emails from accessing an inbox. They work by analyzing incoming messages for certain criteria, such as the sender’s address, content, or attachments.

If the email message meets any of these criteria, it will be marked as spam and blocked from entering the recipient’s inbox.

This may be TMI (too much information), but for those tech geeks out there, we’ll quickly explain the different types of email spam filters:

Server Side Email Spam Filter

The most common type is a server-side filter which works on all incoming mail before it reaches its destination mailbox. This type of filter looks at various factors such as IP addresses and domain names associated with the sender’s address in order to determine whether or not a message should be blocked or allowed through to its destination mailbox.

Client Side Email Spam Filter

Another type of email spam filter is client-side filtering which operates within an individual user’s computer system or device. This type of filter utilizes user-defined criteria to distinguish which messages should be accepted and which should be blocked from entering the inbox.

It can also use artificial intelligence (AI) algorithms to analyze incoming messages for suspicious patterns that may indicate malicious intent or phishing attempts so they can be blocked without having been manually flagged first by the user themselves.

Third Party Spam Detection

Third-party providers, such as Spamhaus, exist to offer up-to-date blacklists of identified malicious email sources. This allows users to avoid having to set up their own rulesets for blocking specific senders or domains and instead rely on already established ones provided by these services, saving them both time and effort when managing their personal email accounts online safely and securely.

By following the best practices outlined in this article, you can learn effective strategies for avoiding email spam filters and ensure that your messages reach their intended recipients.

How to Bypass Email Spam Filters

So, the million dollar question is: How to do I bypass spam filters and get into the primary inbox of my intended recipient? You can learn effective strategies for avoiding email spam filters and ensure that your messages reach their intended recipients.

Let’s be clear, spamming is not only unethical but it can also harm your reputation and your business in the long run. It’s ALWAYS better to follow ethical practices when sending bulk emails.

Now, we don’t want to teach you how to bypass spam filters, we want to provide you with tips on how to send emails that will not be mistaken for spam and get routed to a spam or junk folder. It’s a subtle, but important, difference.

What are email best practices to avoid hitting the dreaded spam folder?  Here are 10 you should follow:

1. Obtain Consent

Ensure that the recipients of your emails have given you permission to send them emails. This can be done by offering a clear and easy opt-in process, and by including an unsubscribe link in your emails.

2. Use Valid Email Addresses

Ensure that you use a valid email address, preferably one that is associated with your domain.

3. Use Good Email Service Provider

Use a reputable email service provider that follows best practices for email delivery and has good delivery rates.

4. Use a Balanced Text-to-Image Ratio

Avoid using too many images in your emails as this can also trigger spam filters. Use a balanced text-to-image ratio in your emails.

5. Use Up-To-Date Authentication Protocols

First, be sure to use up-to-date authentication protocols such as SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail) and DMARC (Domain Message Authentication Reporting & Conformance). These protocols verify the sender of an email and make sure it is legitimate.

6. Avoid Using “Trigger Words”

Avoid using words or phrases that may trigger a spam filter. This includes words like “free”, “discount” or other promotional language. Also avoid using too many exclamation points in the subject line as this could also trigger a filter.

7. Avoid Sending Attachments

Avoid sending attachments in your emails as they can also trigger spam filters. Instead, include links to download the attachments from a secure website.

8. Monitor Bounce Rates and Email Unsubscribes

Keep track of your sending reputation by monitoring bounce rates and unsubscribes from your campaigns – if these numbers start going up, your reputation may be at risk.

9. Use Smaller Images

Large images in emails as they often get flagged for being too big; instead opt for smaller images or GIFs which won’t slow down loading times on mobile devices.

10. Don’t Send Too Many Emails At Once

Lastly, try not to send out too many emails at once; spreading them out over several days can help prevent them from all ending up in someone’s junk folder at once.

By utilizing these straightforward tactics, you should be able to easily bypass email spam filters so that your messages can reach their intended destination!

You can eliminate the guesswork and stop wondering if your emails end up in spam with our free inbox placement test. You’ll be able to get data-driven insights and pinpoint any email deliverability issues early on.

How Do I Bypass Junk Filter In Outlook?

Outlook by Microsoft is one of the largest email services providers – especially for business. A question we are often asked is: How do I bypass the junk folder in Outlook?

Outlook uses a built-in, fixed set of filtering rules to scan emails in order to identify likely spam.  The filtering rules are controlled by regular updates from Microsoft, and unfortunately they cannot be changed or disabled by IT Services.

As the behavior is not universal, it’s likely that other features of some emails tip them over a ‘junk threshold’ and cause them to be put into the Junk E-Mail folder.

To maximize the chances of emails bypassing junk filters in Outlook, it is essential to craft emails according to best practices and take into account various factors such as:

  • Recognizable email domain
  • Appropriate capitalization/punctuation use
  • Concise subject lines
  • An unsubscribe link at the bottom of each email
  • Testing different versions of content prior to sending out and including alt text for images
  • Making sure that all images used have alt text associated with them so they can be read by spam filter algorithms.

Following these steps should help you bypass most junk filters on Outlook successfully.

Why You Should Use An Email Deliverability Tool to Bypass Spam Filters

Sure, you can go through each email campaign and spend hours (or even days!) trying to ensure that your email gets delivered, but you may be wasting precious time and energy on a solution that may not work.

Great news for you … there is an affordable, out-of-the-box solution that can help ensure 99% of your emails get delivered to their intended recipients.

That solution is Inboxy. What can Inboxy do for you?

Inbox Supercharger™

The Inboxy proprietary inbox management system allows for 700% more interactions on your outbound messages to get you out of spam inboxes 9x faster than our competitors.

Headless Management

Inboxy uses our own internal headless browsers instead of Google’s API to guarantee your emails get through all spam checks and boosts your primary inbox placement.

AI Inbox Adjustments

Inboxy’s AI powered inbox tool captures live activity in your inbox and automatically adjusts our sending metrics so you successfully avoid your inbox’s restrictions.

Domain Score IQ™

Inboxy tracks your domain’s reputation metrics and compare against our database of domains to ensure you always achieve better email deliverability.

Bottom line? The Inboxy email data driven email deliverability tool can help boost deliverability rates by ensuring more emails reach their intended destination.


There is no ‘magic bullet’ to bypass an email spam filter. Whether you do it yourself or through an email deliverability tool such as Inboxy, the best way to avoid spam is using email best practices to signal that your email is from a trustworthy source.

If you find that your important business emails are still landing in the spam folder, you should consider a data driven email delivery tool such as Inboxy that will help you quickly (and ethically) bypass email spam filters.

At an affordable rate of only $47 per month, you can ensure that your emails are hitting your intended recipients with amazing accuracy allowing you to contact more leads, nurture your prospects, generate your sales and boost your bottom line.

Ready to supercharge your email campaigns and turn leads into dollars? Sign up today for Inboxy!

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Anirudh Kaushal

Anirudh Kaushal is the Founder and CEO of Alchemy Automations and the Chief Technology Officer at Leadbird. Additionally, he serves as the CTO of Vendisys and is a Co-founder and Partner at Scrubby and Golden Leads. An expert in automation and cyber security, Anirudh's extensive knowledge covers data validation, email strategies, email security, software development, and IT management. His leadership and innovative approaches significantly advance the technological and security standards within these companies, driving industry progression.