What makes an email grace the spam bin?
If your content isn’t spammy, isn’t from a Nigerian billionaire, and doesn’t sell snake oil there used to be a good chance that the email would find its way to the inbox.
No longer.
Back then spam filters were far simpler. They scanned the content for spammy words. If there were none you got the pass. If the content was high you go straight to the trash.

The methods are even more advanced today, taking factors like overall spam score into account first.
So let’s see what we can do.
1. Measure the spam rate with tools
There are apps like GlockApps that you can run by your email before sending it. That gives you some hint of relief.
Here are two more:
a. Inbox Inspector
Inbox Inspector is a great free email preview tool. Acquired by GetResponse it’s still free and shows you your email’s preview on up to 18 different email clients.
b. Email on Acid (Free trial)
It’s a powerful tool that’s not completely free. It supports a huge variety of clients like Yandex.ru, Russia, and Orange.fr France 7 days trial period
There are many problems with untested emails
High unsubscribe rate: Clumsy-looking emails get a high unsubscribe credibility damage: As people tend to mark your mail as spam ISPs notice and most of your emails start going to spam.
2. Use Plain Emails
ISPs have a bias towards heavily formatted emails.
The best way to make sure your emails go into your recipient’s inbox, your inboxes, and any other inbox on the Internet, is to first set up an email account say Gmail account, and use plain text message (PMS) instead of heavily formatted HTML. On a Mac, you can use Apple Mail and Outlook. For a Windows-based account, you can use Microsoft Outlook and send emails.
3. Use Trusted Email Service Providers
For example, use Mailchimp.
They’re one of the best examples of a brand that’s a great email service provider.
- MailChimp Basic The Basic plan is free and includes basic email marketing functionality. This is the basic plan for your first email. You can set up subscriber levels and create custom lists. The basic plan only allows you to send standard email marketing emails to your subscribers and subscribers on your own. Update: From August 2022 Mailchimp updated their free plan, decreasing the amount of subscribers and emails per month, however, there are various Mailchimp alternatives, which can deliver similar features and may be more cost-efficient.
- Pro account The Premium account is $20 per month and is ideal for larger organizations. You can send premium marketing emails to your subscribers. This is the best for larger and more expensive accounts. You can also track and manage your subscribers to separate yourself from the rest of the company.
- Enterprise account The Enterprise plan can be expensive and includes all your email marketing needs. It’s the most common option for small and large enterprises. It allows you to send mass marketing emails to your subscribers and subscribers. This is the most wide-scale account available.
4. Make Sure Email Subject Lines Are Consistent.
Have you ever received an email from someone who calls you “Dear Customer”? They don’t personalize. They don’t know who you are.
The truth is, it’s not really email marketing that is hard to get right. You can easily find valuable, high-quality content to send by using an email subject line that is consistent with the message you’re sending. Also, something that’s personalized. In other words, when your recipient receives the email, they should read the subject lines that are sent to them and find those valuable.
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If you’re reading this article, you probably want to get email marketing right. And I have shared some tried and tested ways with you to make that happen.
I am pretty sure that doing one or all the things is going to help you get more traffic and subscribers.
But I would like to hear from you:
What else do you recommend to improve deliverability?
Let me know in the comments below.
George is a tech writer who’s been in the slog for 8 years now.