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Overview
Running regular email tests is essential to ensure your domain is properly authenticated, your content is free from spam triggers, and your emails display correctly across various devices and email clients. Below is a list of recommended tests to run as part of your email marketing process.
Use spam testing tools
Third-Party Spam Checkers: Utilize tools like Mail Tester, Litmus, or SenderScore to analyze your email for potential spam triggers and deliverability issues. These tools will provide insights into how your email might be perceived by spam filters.
Check email content for spam triggers
Review Subject Lines and Body: Avoid using words or phrases commonly associated with spam (e.g., "free," "guarantee," "limited time offer"). Ensure your content is relevant and valuable. Take a look at our Email marketing best practices article for helpful tips and proven strategies to set your messages up for success.
Check Formatting and Links: Ensure proper HTML formatting and avoid excessive use of links or images, as these can trigger spam filters.
Authenticate your emails
Set up CNAME and DMARC: Ensure that your email authentication protocols are correctly configured. You can also use MXToolbox to verify that any additional records previously added to your DNS settings are properly authenticated.
Analyse engagement metrics
Monitor Open and Click Rates: Low open and click rates can signal to Gmail that your emails are less relevant or engaging, potentially increasing the risk of being flagged as spam.
Review your contact base
When migrating from one platform to another, it’s important to validate the data you're bringing into your new account. Tools like NeverBounce allow you to import your contact lists and run a check to confirm whether email addresses are valid or invalid. Running a test on any dataset you’re not fully confident in can help you avoid high bounce rates—protecting your domain’s reputation and ensuring strong email deliverability moving forward.
Send test emails to multiple accounts
Gmail Accounts: Send test emails to various email accounts, including those on different devices and email clients, to check how your email is treated by Gmail’s spam filters.
Review domain reputation
Monitor Sender Reputation: Use tools like Google Postmaster Tools to keep track of your sender reputation and ensure it remains positive.
Conduct A/B testing
Test Variations: Perform A/B testing on different versions of your email to see which one performs better in terms of deliverability and engagement.
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