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Understanding Email Deliverability

What is email deliverability and how can you improve it?

Lee | Outreachly avatar
Written by Lee | Outreachly
Updated over 7 months ago

Email deliverability refers to the ability of your emails to reach recipients' inboxes rather than being filtered into spam or rejected. High deliverability ensures your outreach efforts are seen and engaged with, directly impacting campaign success.

Key Factors Affecting Deliverability:

1. Sender Reputation

  • What It Is: A score that ISPs assign based on your sending behaviour.

  • How to Improve: Maintain a clean sending history by avoiding spam complaints, using consistent sending patterns, and keeping bounce rates low.

2. Email Content

  • What It Is: The quality and relevance of your email’s content.

  • How to Improve: Use clear, personalized content without excessive links or spammy language. Avoid trigger words like "free," "guarantee," and "urgent," which can flag your email as spam.

3. Authentication

  • What It Is: Verifying your emails are legitimate and coming from you.

  • How to Set Up:

    • SPF: Specifies which IP addresses can send emails on behalf of your domain.

    • DKIM: Adds a digital signature to your emails to verify they haven’t been altered.

    • DMARC: Defines how to handle emails that fail SPF or DKIM checks, helping to prevent unauthorized use of your domain.

Additional Tips for Improving Deliverability:

  • Monitor Blacklists: Regularly check if your domain or IP has been blacklisted, which can severely impact deliverability.

  • Engage Your Audience: High engagement rates (opens, clicks) signal to ISPs that your emails are wanted, improving deliverability.

  • Manage Bounce Rates: Remove invalid or unresponsive emails from your list to reduce bounce rates and maintain a healthy sender reputation.

Good email deliverability is essential for the success of your outreach campaigns, ensuring your messages land where they’re intended—right in your audience’s inbox.

🚀 By focusing on these key factors, you can improve the effectiveness of your email outreach and maintain a positive sender reputation.

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