Know Where Your Emails are Landing.

Test deliverability, monitor reputation and fix issues before your campaigns go live.

Real-time inbox testing

Send to curated seed lists

Run unlimited tests across Gmail, Outlook, Yahoo and more to see exactly where your emails land.

Know before you send

Identify whether you’re hitting primary inboxes, promotions tabs or spam so you can adjust before launching a campaign

Automated alerts

Get notifications if a sending account starts landing in spam and take action immediately.

Spam & content analysis

Full content scan

Analyse your subject lines, body copy and links with industry‑standard filters to uncover common spam triggers and deliverability red flags

Clear scores & fixes

Receive a simple score and actionable recommendations to improve your templates before sending.

Stay compliant

Check your attachments, images and authentication headers to avoid common spam filter traps.

Content scan icon Full content scan

Analyse your subject lines, body copy and links with industry‑standard filters to uncover common spam triggers and deliverability red flags.

Scores and fixes icon Clear scores & fixes

Receive a simple score and actionable recommendations to improve your templates before sending.

Compliance icon Stay compliant

Check your attachments, images and authentication headers to avoid common spam filter traps.

Email content scanning interface Actionable deliverability scores dashboard Spam filter compliance check dashboard

Reputation & blacklist monitoring

Check 400+ blacklists

Monitor your domains and IPs against hundreds of blacklists and get notified if you’re listed

Track your sender health

See trends in your sender reputation over time and catch issues early before they hurt your campaigns

Protect domain reputation

Insights help you adjust sending patterns and fix problems before they impact deliverability.

SPF, DKIM & DMARC health

Instant authentication check

Verify if your SPF, DKIM and DMARC records are configured correctly and up to date

Clear guidance

Step‑by‑step guidance tells you exactly how to repair missing or misconfigured records—even if you’re not technical

DMARC insights

View DMARC reports showing which sources send on your behalf, identify failures and strengthen your domain against spoofing.

Authentication check icon Instant authentication check

Verify if your SPF, DKIM and DMARC records are configured correctly and up to date.

Guidance icon Clear guidance

Step‑by‑step guidance tells you exactly how to repair missing or misconfigured records—even if you’re not technical.

DMARC insights icon DMARC insights

View DMARC reports showing which sources send on your behalf, identify failures and strengthen your domain against spoofing.

SPF DKIM and DMARC verification dashboard Step-by-step DNS record repair guide Detailed DMARC reporting and security interface

Actionable insights & integration

Unlimited & automated

Run as many tests as you need—no limits, no extra fees—and schedule them to run automatically

Exportable reports

Share detailed deliverability reports with your team or clients to align on fixes and next steps.

Plug and play

SmartDelivery integrates seamlessly with your Smartlead campaigns and major email providers, consolidating all deliverability data in one place

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What our customers say

Bojan Najdov

Founder, Lambda Group

“The best outbound email marketing software. Customer support - they are so responsive and helpful Features - you can add multiple email domains to the same account.”

David Borman

Senior Account Executive, Key Outreach

"Intuitive. Game-Changing. POWERFUL. Analytics, spintax, A/B testing, quick personalization. This is a game changer if you send cold email campaign. Grateful to this team for building a product that has changed our day to day. 🚀"

Eden Einav

Account Executive, B.I.G. Charity Law Group Professional Corporation

“Hands down the best cold email software. Smartlead is amazing, this is the best tool if you want to cold email at scale and land in the inbox. The team is super responsive with great support. While there is a learning curve to cold email, they really built a great foundation to make it as simple as possible. I am sending over 2k emails a day!!! absolute game changer for my business.”

Ryane Tully

Co-founder, Pitchlane

“Innovative, reliable, and Suitable For Technical and Non-Technical Users. SmartLead's ability to help me land in the primary inbox and automate the laborious parts of my workflow is brilliant. The customer support is incredibly good, I've had some great feedback on my cold email campaigns.”

Romain Osman

Co-Founder, Five Element

“Smartlead is an absolute game-changer! With its exceptional features and support from the Smartlead team, I've experienced remarkable success. The customizable platform and cost-effective pricing have revolutionized our cold emailing game. I would rate it 10 out of 10 for satisfaction. A must-have tool for any B2B agency!”

Reggie B.

Sales Director - Financial Institution Solutions Saggezza, Inc.

“Smartlead is an innovative cold email platform that helps me reach out to potential clients. There are easy-to-use templates, powerful automation tools, and intuitive analytics for email warming and campaign analytics. It provides me with everything I need to maximize my cold email campaigns.”

Nick A.

Founder, Leadbird.io

“I've personally built a sales engagement platform similar to Smartlead, and I am genuinely blown away by the scalability, functionality and more. We're a B2B Lead Gen Agency, and we primarily use cold email to generate leads for our clients. We're on track to double our best month in terms of client results.”

Mykyta

CEO, Yell Cut

"I can upload hundreds of email accounts, send thousands of cold emails per day, and still have an organized master inbox. This is unseen with any other tool on the market today. I looked..."

Dino Knezovic

Founder, Office Optim

“Smartlead has been extremely helpful with seamlessly onboarding clients, warming up their accounts, and prepping campaigns to send at high volumes while maintaining high deliverability. There are multiple features that allow me to track performance over time and understand when it is time for me to make adjustments, and Vaibhav is constantly making improvements/upgrades to the platform which gives me all the more faith in the future of this great tool.”

Johannes Fessler

CEO, Rock Solid Lead Generation

“Smartlead is absolutely amazing! The software is easy to understand I am not a techie but directly understand everything and if you really have a question the team always helps instantly. Additionally I love all the features. Like I said for me as a lead generation agency the software gives me everything I need and much more.”

René-Karl Lambert

Founder, WindGrowth

“Smartlead is simply amazing. They constantly improve their product and bring new features that make the cold email software even more complete. If you're a big automation enthusiast like me, there are no other cold email tools on the market that allow you to 100% automate your business as Smartlead does.”

Lucas Maliczak

Outbound Lead & Partner, Peakora

“Our campaigns weren't just about reaching out, but reaching out right, and Smartlead helped us achieve this. It has added immense value to our business by prioritizing email deliverability and customer needs. I would rate it a 9 out of 10”

Romain Osman

Co-Founder, Five Element

“Smartlead is an absolute game-changer! With its exceptional features and support from the Smartlead team, I've experienced remarkable success. The customizable platform and cost-effective pricing have revolutionized our cold emailing game. I would rate it 10 out of 10 for satisfaction. A must-have tool for any B2B agency!”

Arnold Koci

CEO, Acquisizioneclienti.it

“Best cold outbound email software out there. Everything, is fast, reliable, scalable, you can also white-label, amazing analytics and never breaks like other similar competitors. Never once I went in spam in the last 4 months of using it.”

Cliff Coelho

Owner, Storydriven.video

“I just ended my 2 year search for the right cold emailing platform with Smartlead. A stand alone tool for cold emailing unlike anything else in the market. And it looks like they're only getting started. Now I can finally train my VAs on just one platform instead of bouncing between several like they used to for different things.”

Serdar Tufan

Owner, FunnelVision

“Best cold email tool in the game. Most user friendly cold email tool I've used to date. Super easy to set up, love the bulk upload feature to add multiple domains at once and support is impeccable. They respond so fast it's unreal. Review collected by and hosted on G2.com.”

Powerful automated workflows that drive sales.

Try Smartlead's AI-led outbound system today.

Frequently asked questions

What is an Email Deliverability Test?
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An email deliverability test analyzes whether your emails successfully reach recipients' inboxes or get flagged as spam. It helps identify potential issues by checking spam filter triggers, inbox vs. spam placement, blacklist status, and email authentication settings like SPF, DKIM, and DMARC.

Additionally, it assesses your SpamAssassin score to determine how spam filters might rate your email content. By running an email deliverability test, you gain actionable insights to optimize your emails, improve inbox placement, and maximize engagement.

What Is SmartDelivery?
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SmartDelivery is Smartlead’s email deliverability testing tool that will give you the most accurate depiction of your emails’ deliverability with an expert-vetted industry benchmark - Placement Rate. You can run both manual and automated tests powered by advanced algorithms to ensure your emails reach the inbox - boosting engagement and performance.

How does SmartDelivery help improve my email deliverability?
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SmartDelivery offers comprehensive email deliverability testing across various mailbox types and providers. It runs tests against common spam filters like SpamAssassin, ensuring they are optimized to land in the inbox and improve email deliverability.

Can I customise the tests and reports in SmartDelivery?
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Yes, SmartDelivery allows you to tailor your manual tests by selecting specific mailboxes, setting test frequencies, and customising the content you want to test. You can also personalize the reports to focus on the email deliverability metrics most relevant to your campaigns.

What are the benefits of using the automated testing feature?
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SmartInbox offers comprehensive email deliverability check and testing across various mailbox types and providers, analyzing your email content, links, and images. It runs tests against common spam filters like Google’s and Barracuda, ensuring your emails are optimized to land in the inbox, and enhance your sender reputation.

What are the benefits of using the automated testing feature?
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Automated testing lets you set up recurring tests at your preferred frequency, ensuring continuous monitoring of your email campaigns. This helps you catch and fix issues promptly, maintaining consistent email deliverability.

How does the tool handle email authentication checks?
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The tool verifies your existing SPF, DKIM, and DMARC records, to ensure your emails are properly authenticated and trusted by receiving servers. This reduces the risk of your emails being marked as spam.