Imagine sending 100 marketing emails and getting zero replies. This is not because people are not interested but because spam filters quietly send your emails to folders nobody checks. About 10.5% of the emails you send end up in the spam folder of receiver.
This happens to beginners and even pros. It hurts your reputation as a sender, makes your emails less likely to reach inboxes, and lowers the results of your email campaigns. The spam rate should be less than 1% to make the most of your email marketing campaigns.
That is why testing your emails is so important. It helps protect the reputation of your domain. It also makes sure your messages get delivered and saves you time and money. If you skip testing, you risk losing marketing budget. Your emails will be engaging a fewer people, missing sales chances, and hurting the image of your brand over time.
This guide looks at eight helpful email deliverability tools. It compares how they work, how easy they are to use, the quality of the insights they offer, and how much they cost. You will know which tool fits your business best and how to keep your emails out of the spam folder by the end.
First Steps: How to Perform a Basic Email Health Check?
Before using advanced email deliverability tools, start with some simple checks to see how your emails are doing.
The Manual Check
Send test emails to different email services like Gmail, Yahoo, and Outlook. Then, see where your email ends up. Is it in the main inbox, the Promotions tab, the Social folder, or the Spam box? This shows you how different email providers handle your messages.
Free Quick Tools
Try free tools like Mail Tester or MailGenius for basic email health check. Just forward your test email to them, and they will give you a quick spam score, check your email content. Make sure your email is set up right. These tools help you understand why your email might be marked as spam.
Starting with these easy steps gives you a good idea of health of your email and what you can improve.
The 8-Platform Deep Dive: Detailed Analysis
Let’s compare the top 8 email deliverability tools, their features, strengths, and when to use each one. These email deliverability tools are great starting points to help you keep your emails out of spam and improve how many people actually see your messages.
Tool 1: Mail Tester
Let’s start mail tester review. Mail Tester is perfect for beginners who want a quick and free email spam check without having to sign up. It is great for small businesses that need fast and simple insights about whether their emails will get through.
- Ease of Use & Onboarding
- Quality & Key Features
- Pricing & Value
It is very simple. Just copy the test email address they give you, send your email there, and check your results. The report appears right away. So, you can see your score in seconds without clicking through menus.
Mail Tester looks at important email settings like SPF, DKIM, and DMARC to make sure they are set up correctly. It also gives your email a spam score and points out any HTML or wording problems that might cause spam filters to block your email.
The best part is it explains everything in plain and easy-to-understand language. It helps beginners to fix issues fast.
There is a free version that works great for basic checks. Paid plans offer more detailed reports and save your test history. So, you can track how your emails improve over time.
Tool 2: MailGenius
MailGenius is best for marketers who want a simple, no-fuss email spam check. It is focusing mainly on the email content. It is great for quick reviews before you hit send.
- Ease of Use & Onboarding
- Quality & Key Features
- Pricing & Value
The tool is super easy to use. Just send your email to their test address and wait for the feedback. No need to create an account, you can test right away.
MailGenius looks at your links, images, and overall content. Do you want to know how to check if email goes to spam? This tool points out common spam triggers and warns about risky formatting or wording that could hurt your chances of landing in the inbox.
Mostly free for basic use. So, it is perfect if you just want to run quick and occasional tests without paying or signing up for anything.
Tool 3: GlockApps (Inbox Insight)
GlockApps is a complete email testing platform for serious senders who want to see exactly how their emails perform in different inboxes. It shows you how various email providers treat your messages across many mailboxes.
- Ease of Use & Onboarding
- Quality & Key Features
- Pricing & Value
Setting up a seed list (a group of test email addresses) only takes a few minutes. It supports both manual and automatic testing. The step-by-step guide helps beginners follow along without getting lost.
GlockApps tests if your emails land in the inbox or spam folder at major providers. It also checks your spam score, whether your domain is on any blocklists, your email content, and authentication settings. Moreover, it sends real-time alerts. So, you can fix problems before they affect your big email sends.
There is a free plan with limited tests. Paid plans add features like ongoing monitoring, team collaboration, and A/B testing tools. It is a great choice for businesses that send lots of emails and want regular deliverability tracking.
Tool 4: Unspam.email
Unspam.email is designed for marketers who want to find and fix deliverability problems quickly. It is especially useful for teams focused on improving email content before sending.
- Ease of Use & Onboarding
- Quality & Key Features
- Pricing & Value
You need to create a free account and send test emails to a special test list they provide. The dashboard is easy to read and shows warnings clearly. So, you can spot issues fast.
Unspam.email gives spam test results, checks the reputation of your domain, and reviews the content of your email and authentication in detail. Its visual scoring system helps you see what needs fixing right away.
There is a free plan for basic tests, and paid plans offer more detailed reports and ongoing monitoring. It is best for users who want to test regularly, not just once in a while.
Tool 5: Warmup Inbox
Warmup Inbox helps new email senders build a good reputation by automatically interacting with their emails. It is perfect for people or businesses starting fresh with a new domain and needing to gain trust with email providers slowly.
- Ease of Use & Onboarding
- Quality & Key Features
- Pricing & Value
You just connect your email service or SMTP, and Warmup Inbox starts working on warming up your inbox automatically. Setup only takes a few clicks. So, even beginners find it easy.
It mimics real email activity by opening, replying to, and forwarding your emails. This helps improve the mail sender reputation of your domain and keeps your sending patterns natural. So, email providers trust your messages.
They offer a trial period. Paid plans depend on how many emails you send and how fast you want to warm up. It is a great tool for businesses launching new email domains or fixing a damaged sender reputation.
Tool 6: Mailreach (Email Spam Test)
Mailreach is made for small businesses and marketers who want to keep track of how well their emails reach inboxes. It is especially helpful for people who send emails daily and want to monitor their performance over time.
- Ease of Use & Onboarding
- Quality & Key Features
- Pricing & Value
It has a simple dashboard where you send test emails and quickly see the results. The interface clearly shows what’s working well and what needs improvement for each test.
Mailreach shows where your emails land (inbox or spam), checks your IP and domain reputation, scans for spam-trigger words, and reviews your email authentication. It also tells you which email providers might be blocking or filtering your messages.
There is a free plan for basic tests, and paid plans add more test addresses and ongoing monitoring. It is best for marketers who want to test regularly and keep an eye on their sender reputation.
Tool 7: Folderly
Folderly is a powerful tool that helps fix deep deliverability problems. It checks your email content, tests where your emails land, and finds issues that might be hurting your email delivery. It is great for businesses that want more than just quick test and want real yet long-term fixes.
- Ease of Use & Onboarding
- Quality & Key Features
- Pricing & Value
You connect your email domain and send test emails to the test network of Folderly. The setup guides you through important checks to make sure nothing is missed.
Folderly spots words that might trigger spam filters, checks how good your email content is, and looks for blacklists or DNS problems. It also tracks your score over time so you can see if your improvements are working.
Folderly is a paid service but offers free trials. It is best for companies that struggle with deliverability and need steady, ongoing help to get their emails into inboxes.
Tool 8: Litmus Spam Filter Tests
Litmus combines email design previews with spam filter testing in one platform. It is perfect for teams who want to check how their emails look and whether they will reach the inbox, all in one place.
- Ease of Use & Onboarding
- Quality & Key Features
- Pricing & Value
If you already use Litmus, it is easy. Just send a test email and see results for spam filters and email clients. Beginners will find it simple too, thanks to helpful automated instructions.
Litmus shows how your email looks on different devices and tests it against top spam filters. It also points out small HTML or formatting problems that could cause your email to go to spam.
This is part of paid package of Litmus and is most useful if you already use their design tools. It is great for creative teams that want to check both the look and deliverability of their emails.
Conclusion
You cannot afford to skip the step of testing your emails before sending them. It is really important. Email testing tools will assist you to maintain a good reputation as a sender, identify spamming activities, and ensure timely email delivery. No universal tool exists for this purpose out there.
Choose the one that is within your skill, and what your business requires. You can attempt sending your campaigns using Aurora SendCloud once your emails go through such tests.
It is dependable, ensures that your mail is correctly verified and its dashboard is user-friendly to monitor all that in one place. With that, your future emails stand a great chance of reaching the inbox and not the spam folder. Applying and testing the right email deliverability tools will see more people reading and seeing what you are saying.
