This blog was updated on 16 April 2025, for more information connect with our team: https://www.easystore.co/contact 

5 Common Reasons Your Emails End Up in the Spam Folder

You spend hours carefully crafting the perfect email for your subscribers. 

You hit send, sit back, and wait for the responses to come in — but then you notice something frustrating: your email has landed in the spam folder.

What went wrong? 

Here are 5 common reasons why your emails might be marked as spam — and how you can avoid them:

1. You Don’t Have Permission

This is one of the most frequent causes: your subscribers didn’t explicitly agree to receive your emails. 

Permission-based email marketing is not just good practice — it’s legally required under various anti-spam laws worldwide.

To fix this, use a clear opt-in form on your website where visitors can willingly subscribe to your mailing list.

2. Your Subject Line Doesn’t Match Your Content

If your subject line is misleading or over-promises something that the email content doesn’t deliver, subscribers are more likely to report it as spam.

Keep your subject lines honest and aligned with your message content to build trust and improve engagement.

3. There’s No Unsubscribe Link

Even if you’re sending valuable content, you’re required to include an unsubscribe link in every email. 

Without one, you risk spam complaints, damage to your sender reputation, or even legal penalties.

Make sure it’s clearly visible and easy for subscribers to opt out if they choose.

4. You’re Using Spam Trigger Words

Certain words and phrases can set off spam filters, sending your well-meaning email straight to the junk folder. Common examples include:

• No credit card needed

• Buy direct

• Pure profit

• No cost

• Take action now!

It’s a good idea to review your subject lines and content to avoid these.

Here’s a full list of spam words and phrases you can refer to.

5. You’re Emailing Inactive Addresses

Maintaining a clean, engaged email list is crucial for good deliverability. 

If you consistently send messages to inactive or unengaged addresses, it can negatively affect your sender reputation — causing future emails to be filtered as spam.

A smart practice is to regularly clean your list every 3 to 6 months by removing contacts who haven’t opened or interacted with your emails.

And there you have it — the top 5 reasons emails get flagged as spam. 

Keeping these points in mind can dramatically improve your email deliverability and help your messages land in the inbox where they belong.

Good luck!

This article is brought to you by GetResponse. 

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