Collection Of The Best Email Testing Tools Online
Email Verification: For upon|Don’t be afraid of email testing. There are many free or freemium tools online that can help you with testing your SPAM score, deliverability, and even the rendering of your email. We feature 30 email testing tools in this article. Check out the complete list!
In this article you will find:
- 6 tools for email preview testing
- 14 tools to help you check your sender and SPAM score
- 5 tools for email verification
- 5 tools for subject line testing
Email verification tools
It is not enough to just write a copy and create an email template. Sending emails without proper testing can completely ruin your campaign and even damage your subscription base. An untested email can lead to:
- high unsubscribe rate: nobody wants to continue receiving clumsy and awkward content in their mailboxes;
- credibility damage: you don’t want people to think that you are unprofessional enough to send a weird-looking and therefore brand-damaging email. Email Verification.
Source: MailChimp
Apart from email design problems your subscribers can experience, there is deliverability – another issue that can influence your email marketing in a negative way.
You might make your design impeccable, but due to deliverability issues, your email will simply not land in your recipient’s mailbox, so all of your marketing attempts will be in vain. Thus you must assess your emails in terms of your sender’s reputation and SPAM score. Email Verification.
Here is our list of tools that will help you to test your email campaign and fix both email design and deliverability issues.
Email Testing and Preview Tools
Nowadays a lot of ESPs offer email preview features, however, if you don’t use ESP there are still a number of tools that can help you to get a preview of your email in different email clients.
1. PutsMail
PutsMail has been acquired by Litmus a couple of years ago, but it still offers a free email sender tool, which you can use to send HTML emails to multiple email addresses.
You still need to register various email accounts to do the tests, but at least they provide a properly configured email sending service.
2. Inbox Inspector
Inbox Inspector is the best free email preview tool on the market. It’s operated by GetResponse and allows you to preview your emails in 18 different email clients totally for free.
Obviously, their goal with this service is to get you on board as a GetResponse customer, where they offer more detailed email preview options.
3. Mailtrap
Mailtrap is a fake SMTP server to test and view emails. It has a free subscription plan with a limited number of emails. It can also analyze emails by SPAM and blacklists.
4. EmailReach (Free trial)
EmailReach is a paid tool with a one-day free trial period that allows you to check how your email looks in major email clients and on different mobile devices.
5. Email on Acid (Free trial)
Email on Acid also has a quite powerful preview tool, where you can even check out your email templates in some really exotic email clients like Yandex.ru or Orange.fr.
Their trial period is limited to 7 days.
6. Litmus (Free trial)
Litmus is the biggest name in email rendering tests. The upside of it is that they have a really good service, but offer a very short – 3 day – free trial only. This short period of time might be helpful too or you can subscribe to their paid packages. Email Verification.
Deliverability Checking Tools
Sender Reputation Checking Tools
In principle, you can judge how your emails are received by the audience by open and click-through rate (engagement) and by spam complaints (reputation). However, you can also use special resources that help you to check your sender’s reputation. Email Verification.
1. Senderbase.org
Senderbase is a product of Cisco and checks your reputation by ranking you as Good, Neutral, or Poor.
Good means there is little or no threat activity.
Neutral means your IP address or domain is within acceptable parameters, but may still be filtered or blocked.
Poor means there is a problematic level of threat activity and you are likely to be filtered or blocked.
2. SenderScore.org
Sender Score measures your reputation on a scale from 0 to 100. The higher your score, the better your reputation and the higher your email deliverability rate.
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Numbers are calculated on a rolling 30-day average and illustrate where your IP address (domain) ranks against other IP addresses (domains).
3. ReputationAuthority
At ReputationAuthority you can look up your IP address or domain, receive a reputation score from 0-100, and get the percentage of emails that were good versus bad.
4. BarracudaCentral
BarracudaCentral is a tool for IP and domain reputation lookup via their Barracuda Reputation System; a real-time database of spammers’ IP addresses senders with good email practices.
5. TrustedSource
trusted source from McAfee is a tool to check how your site is categorized within various versions of the SmartFilter Internet Database or the Webwasher URL Filter Database. It provides information on both your domain’s email and web reputations as well as affiliations, domain name system (DNS), and mail server information. It also provides details on the history, activation, and associations of your domain. Email Verification.
Spam Score Checking Tools
1. Mail Tester
Mail Tester is a free tool to check your spam score. The system calculates your spam score based on whether you are blacklisted or not, your SPF record, DKIM, and keywords in your letter.
2. Email on Acid
Email on Acid has a SPAM test feature that checks emails against spam filters and blacklist services. However, this feature is available when you subscribe to the whole platform.
3. Litmus
Litmus also has a SPAM test feature inside their email marketing suite that assesses your email based on several parameters such as reputation, sender verification, and major SPAM filters.
4. Postmark
Postmark is a free tool that assesses the content of your emails and gives them a score. They even have a lightweight JSON API that you can integrate into your own platform for SPAM score checking. Email Verification.
5. Some other SPAM checking tools
Here are some other free SPAM checking tools that are based on the SpamAssassin project:
- ISnotSpam
- SpamScoreChecker
- Email Spam Test
Deliverability Suites
1. SendForensics
SendForensics is an email deliverability suite that thoroughly assesses the deliverability of your email campaign by considering your sender score, the content of the email, loss to SPAM filters, and other parameters.
2. EmailReach
EmailReach offers a wide range of features. It can check if you are blacklisted or not, verify email addresses in your subscription list, and even test how your email will be delivered in different kinds of inboxes. Plus, it has a content checker that assesses how SPAM filters will handle your email content. It is a SaaS tool with a free trial period. Email Verification.
Email Verification Tools
Sometimes you need to check if your email address is valid. There are a number of tools that can help you with that.
- MailTest: unfortunately, this tool has no email list verification
- Email Checker: email list verification is available in premium plans
- Email Hippo: there is a free trial period for bulk email verification
- Verify Email Address: bulk email verification is available upon subscription
- Email Verifier: free plan users can check up to 20 emails in one go
- You can also check this list of Top 10 Bulk Email Verification and Validation Services Compared by AccuWeb Hosting“
Email Subject Line Checking Tools
Here is a mixed bag of tools for subject line checking (not real testing).
1. subject line
subject line evaluates your subject lines based on 3 billion+ email messages that have been sent and tracked via its partners and clients. It shows you what will generate higher response rates and improved inbox deliverability. Of course, there is no guarantee that the test results will lead to higher open and click-through rates. However, you will definitely get an idea or two about what could be wrong with your subject lines. Email Verification.
2. Touchstone
Touchstone creates a virtual simulation of your subscription base (of course, you have to upload it there first), and then it predicts open bounce and click-through rates for the subject line of your test. It claims that the margin of error is 1-2%
3. Subject Line Keywords Checker
This tool will help you to see how certain keywords in subject lines perform in different industries. Again, the result that the tool provides is not a panacea, they are just a guide.
4. TestSubject by Zurb
With Zurb you can test how your subject lines appear on different mobile devices. This might be useful if this feature is not included in your regular email client preview mode.
5. Email Subject Line Tester by Localnews.biz
There is nothing sophisticated in this tester, however, it is slightly outdated nowadays. Previously, ISPs used content and subject lines as the criteria for determining if something is spam or not. Now they are more advanced and use other criteria to determine the reputation of the sender: IP reputation and user-based actions like people moving email from spam/promotions folder to inbox. Email Verification.
If you know of an email testing tool that we missed from this collection, please add it as a comment!
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