Free Cold Email Score Checker
Scores emails across multiple quality signals with specific improvement suggestions.
What a Cold Email Score Checks
A cold email score evaluates three overlapping categories of signals: content quality, authentication readiness, and formatting patterns. Understanding what each category covers helps you interpret your results and prioritize fixes in the right order.
Content signals are what most people think of first. The checker scans your subject line and body for words and phrases that spam filters commonly flag — terms built around urgency, financial promises, or generic sales language. It also evaluates personalization: company-specific references, role-relevant framing, and specificity that distinguishes the email from a broadcast template. An email that reads like it was written for one person scores differently from one that reads like it was written for a list.
Authentication signals cover whether your sending setup passes the checks that receiving servers run before deciding how to route your message. SPF, DKIM, and DMARC records on your sending domain are the primary ones. A correctly configured SPF record tells receiving servers which addresses are authorized to send from your domain. DKIM signs outgoing messages with a cryptographic signature the recipient's server can verify. DMARC defines what to do when those checks fail. Missing or misconfigured authentication records lower your score regardless of how clean your email content is.
Formatting patterns are the structural elements spam filters use as proxies for message type. HTML-heavy emails with high image-to-text ratios, excessive link counts, large attachments, and certain layout patterns trigger filter rules that push emails toward spam before content is evaluated at all. Plain-text or near-plain-text formatting consistently performs better for cold email than newsletter-style HTML.
How to Read Your Score
The score runs from 0 to 100. Each component contributes independently, so a strong showing in one area does not mask a serious problem in another. The result is a weighted composite, not a simple average, which means a failing authentication score will drag the total down significantly even if your content is clean.
Above 80: Your email is well-configured across the main signals the checker evaluates. This does not guarantee inbox delivery — recipient-level factors and sender reputation still apply — but it means content and formatting are not working against you. You are cleared to send.
60 to 79: One or more components have significant issues. Check which specific component is pulling the score down. A content score in this range usually means spam trigger words are present or the structure looks template-heavy. An authentication score here means DNS records are missing or misconfigured. Fix the lowest component first — it has the highest marginal impact on the total.
Below 60: Multiple components have problems, or one component has a severe issue. Emails in this range are sending with meaningful headwinds. The checker shows which specific items are failing and why. Address authentication issues before content issues — no amount of good writing overcomes a failed DKIM check in Gmail's filtering logic. Work from the specific findings, not the summary number.
How to Fix a Low Score
Fix authentication first. Authentication failures are binary: your records either pass or they do not. An SPF record that is missing, incorrect, or has too many DNS lookups fails regardless of your email content. DKIM failures mean your messages are arriving unsigned, which is a significant trust signal to receiving servers. A missing DMARC record does not cause immediate delivery failures on its own, but it leaves your domain exposed to spoofing reports that erode reputation over time. Use the individual SPF, DKIM, and DMARC checkers to validate your DNS setup before working on anything else.
Then address content issues in this order. Remove or rewrite spam trigger words first. A single flagged phrase rarely causes problems, but three or more in a short message compounds filter risk. Rewrite flagged phrases in plain conversational language — "let me know if you're interested" is better than "don't miss this opportunity." Then check length: cold emails between 50 and 150 words hit the right range. If you are explaining your product in detail in the first email, you are going too long. Cut what does not earn its place.
Reduce link count if flagged. One link is standard. Two is the upper limit for most cold emails. More than two links makes the message look like a newsletter to filter logic, regardless of what the links are. If you need to share multiple resources, pick the one that matters most for this email and leave the rest for follow-up.
Sharpen the CTA last. A vague closing line scores lower than a specific ask. "Open to a quick call this week?" is a measurable request with a clear yes or no answer. "Let me know your thoughts" is not. Specific CTAs also generate higher response rates in practice, so this fix improves both your score and your results.
What the Checker Misses
The score evaluates factors that can be analyzed directly from your email content and domain configuration. There are meaningful factors it cannot see, and understanding those limits helps you interpret the score accurately.
Recipient-level filtering is the largest gap. Gmail, Outlook, and other providers filter at the per-recipient level based on that user's engagement history with your domain. If previous recipients from your domain marked messages as spam, future messages to different recipients at the same provider face higher scrutiny regardless of content quality. The checker has no visibility into per-recipient engagement signals.
IP reputation is separate from domain reputation and is not surfaced in a content score. Your sending IP address carries its own history independent of your domain records. If you are sending through a shared IP pool, other senders on the same IP affect your delivery rate regardless of your own behavior. EmailQo addresses this by routing through accounts you own, so your sending IP is tied to your own Google Workspace, Microsoft 365, or AWS SES account rather than a shared pool.
Engagement history shapes provider-level deliverability over time in ways a single-email score cannot capture. A domain with consistent positive engagement — opens, replies, no spam complaints — builds goodwill that helps future campaigns. A domain with consistent low engagement or elevated spam complaint rates builds the opposite. The checker scores one email against fixed signals. It does not account for the accumulated history behind your sending domain, which is why warmup and list hygiene matter even when your individual emails score well.