How to Keep Your Emails Out of the Spam Folder

Modified on Fri, 13 Sep at 8:00 AM

Several factors can lead email providers to label your messages as spam. Understanding these issues and addressing them effectively can help ensure your emails reach their intended audience. Below are some of the most common reasons why emails get flagged as spam and how to avoid them.


Use a Custom Domain Instead of a Public One

If you’re sending emails from free domains like Gmail or Yahoo, there’s a higher chance your messages will be classified as spam. To avoid this, always send emails from a custom domain that aligns with your branding.

Public Domain Example


Verify DMARC Compliance

DMARC policies can influence whether your emails end up in spam. If your domain has a DMARC policy but hasn’t been authenticated by your email service provider, your emails will likely be flagged. Make sure your SMTP provider verifies your domain to pass DMARC checks.

DMARC Verification


Manage Your Email List

Even if you’ve handled the technical aspects correctly, the health of your email list plays a vital role in deliverability. Ensure that:

  • Every subscriber has opted in to receive emails from you.

  • Inactive or unengaged subscribers are regularly removed.

  • Use a double opt-in process to validate new sign-ups.


Handling Internal Emails

Sending emails within the same domain can sometimes confuse your system, making it think the message is spoofed. This can result in internal emails being marked as spam. To avoid this, either use a free email account like Gmail for testing purposes or whitelist your SMTP provider’s IP address for internal communications.

By addressing these key areas, you can significantly enhance your email deliverability and avoid being flagged as spam, ensuring smoother communication with your recipients.

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