Parameters that influence the deliverability score and email account health

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Some emails land straight in the inbox, while others disappear into spam. So why this happens?
Email deliverability depends on several factors - from technical setup to how many emails you send on a daily basis. And it's a crucial factor for your outbound outreach.
Low deliverability score = less responses = less revenue

In general, email deliverability is the ability of an email to successfully reach a recipient's inbox, rather than being filtered into spam or junk folders. It's a critical aspect of cold outreach and email marketing, as high deliverability ensures that your audience receives your content.

What Influences Email Deliverability?
  • Technical Setup (30%) - proper DNS configurations;
  • Warm-up (20%);
  • Sending Volumes (20%);
  • Spam Words (10%);
  • Spam Reports (10%);
  • Bounce Rate (5%);
  • Images and Email Size (5%).

To help you improve email performance, DMT Business Development broken down the main parameters that impact deliverability and email account health.

What technical setup is needed for good email deliverability?

A well-configured email account and domain improve deliverability by 30%. Key DNS records that should be properly set: SPF, DKIM, DMARC, email forwarding settings, redirecting look-a-like domains to the main website.


Why is email warm-up important?

Warm-up and boosting (20% impact) improve email account health, especially for new domains. This means: sending small email batches, slowly increasing email volume, doing daily and weekly deliverability checks.


How many emails can I send per day?

Best practice - start with 5-10 emails per day, increasing step by step. Also, it's important to limit to 35 cold emails per day.


Do spam words affect email deliverability?

Yes! Using words like “free”/“instant”/“ad”/etc. increases the risk of emails landing in spam. Avoiding spam words contributes 10% to deliverability success. For this, all messages should be reviewed by content and technical teams before sending.


Can images affect email deliverability?

Also yes! Images and large email sizes impact deliverability (5%). To minimize risks you should optimize email signatures, reduce embedded images and ensure HTML code is error-free.


A well-structured approach ensures your emails always land where they should - in the recipient’s inbox.

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