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Email Marketing: How to Avoid Spam Filters

Even with all of the new online advertising platforms that have emerged in recent years, email remains the preferred choice among many seasoned marketers and business owners. Of course, there’s a good reason for this: email marketing is a cost-effective method for promoting products and/or services, as brands can market to the same subscriber multiple times instead of just once. But if you want to succeed with your email marketing efforts, you’ll need to use caution to avoid tripping spam filters.

What Are Spam Filters?

You can’t avoid the spam filter without first understanding what it is and how it works. Billions of email messages are sent and received every day, some personal in nature while others are commercial. Of these billions of messages, nearly half are classified as a unsolicited advertisements in the form of spam.

Email service providers have built-in safeguards to help “filter” these messages, rightfully known as “spam filters.” When a message is sent to a user, the spam filter scans it to determine its likelihood of being unsolicited spam. If it determines the message is spam, it will quarantine it in a junk or spam folder, preventing it from appearing in the recipient’s inbox.

Spam filters do not use the exact same criteria for identifying spam messages, so what one may block another will let through. However, by following the tips below, you’ll reduce your chances of messages being blocked

Avoid Trigger Words

Spam filters often scan messages to look for various trigger words that are frequently used in spam. These words may include:

  • free
  • guaranteed
  • buy direct
  • apply online
  • pre-approved
  • risk-free
  • win
  • winner
  • no obligation

It’s best to avoid using any of these trigger words in your messages. While it may be okay to use a few of these words, erring on the side of caution will ensure a higher rate of successful delivery — and that’s what email marketing is all about.

Personalize Messages

If you know recipient’s first name, use merge tags to personalize your message. If it’s apparent you know a little about your recipients, you’re less likely to trigger spam filters.

Avoid Large Images

Why should you avoid using large images in your marketing emails? According to MailChimp, large images may trigger spam filters.

This is because spammers will create large images with trigger words embedded on them. Because the words are displayed on the image and not in the message itself, they aren’t always picked up the spam filter. However, the fact that it’s a large image may still trip the spam filter. There’s nothing wrong with including relevant and meaningful images in your emails, but you should keep their size small.

Include a ‘from’ Address

Be sure to include a ‘from’ address every marketing email that you send. When an email is sent from an unknown sender, it is typically reported as spam. It only takes a couple seconds to specify a ‘from’ address, but doing so could mean the difference between having your marketing emails land in the inbox or get flagged as spam.

Have any other tips or tricks for avoiding the spam filter that you would like to share with our readers? Let us know in the comments section below!

Summary
Article Name
Email Marketing: How to Avoid Spam Filters
Description
If your marketing emails are being trapped in spam filters, your messages will never be read. Here are some tips to ensure your messages arrive in the inbox instead of the junk folder.
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8 Comments to Email Marketing: How to Avoid Spam Filters

  1. Diana Jarboe says:

    You should seek permission to send the emails; otherwise, you risk people marking you as spam, which can present long-term issues.

  2. Ciarra K says:

    There are some spam analysis tools out there which are helpful.

  3. Bryan says:

    Great list of trigger words. I’ve also been told the use of dollar signs in the subject line is a terrible idea.

  4. Caldonia Ruffington says:

    Usually spam filters are triggered by sloppy code, extra tags, or code pulled in from Microsoft Word. If you are coding your email heavily, do it within the email program and not in secondary word processing software.

  5. Henry Bryson says:

    Unfortunately some people just really hate all email marketing and will report your site for marketing abuse, i.e. spam. Too many of those reports and it can negatively impact your ability to reach customers. So be sure to keep your email campaigns as brief, friendly, and positive as possible to encourage people to trust you.

  6. Taleo Mendez says:

    Avoid using rented, purchased or scraped lists because they lead to high bounce rates and blacklisting. Also, never steal someone else’s mailing list. Just because someone is on one list does not mean they are giving the world permission to be on everyone’s list.

  7. Crispin Keating says:

    Don’t wait too long to send out your first email or people may forget that they subscribed and unsubscribe.

  8. Hakuro Faulkner says:

    Your email newsletter is an extension of your brand. Make sure your site, blog, etc. all have the same look and feel or people may not associate your marketing with your product, which will discredit you.

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