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The world's simplest email list cleaning solution

There's not much to say about ListWise apart from "It's the best in the world at what it does".

Simple. Powerful. Brilliant.


Now Removing Spam Traps As Well

One of the biggest and most mysterious issues with email list hygenie is to identify and get rid of Spam traps. We have invested a significant amount of resources in assisting marketers escape the spam trap issue and now, we've got a highly sophisticated and credible way of not only identifying but also removing potential spam traps from your list.

Checking against 58,989,323 potential traps, ListWise gives your list the best chance of being cleaned with accuracy and efficiency. However, there are hundreds of millions of probable spam traps in the world and its inconceivable for anyone to be able to detect and remove all of them. While we don't boast a 100% spam trap free solution, we pride ourselves in being transparent about it and cleaning lists better, faster and cheaper than anyone else on this planet.


Clean Data Means Clean Marketing

Anybody who sends a high volume of email marketing campaigns knows the value of good, clean data. With ListWise, your data cleaning is done through our global network allowing us to reference your data against known bounced emails and spam traps, making sure you end up with the cleanest possible list.

After you upload your bulk email list, ListWise automatically separates your list into ‘clean’, ‘invalid’, ‘duplicates’ and ‘bounces’ so you have a complete breakdown of your list and can download the valid emails in CSV format.


Send Strategically

Send Strategically

Delivering bulk mail across freemail ISPs is a challenge where the goal posts move regularly. Smart bulk marketers develop a strategy to cater for particular ISPs.

ListWise gives you a breakdown of the numbers and percentages of freemail addresses in your list allowing you to develop the right strategic approach for sending to those email addresses.

Higher Inbox Rate

Higher Inbox Rate

There's no doubt that the quality of your email marketing list has a direct impact on the quality of responses you'll get from your bulk marketing campaigns

By ensuring you are sending to good and clean email addresses, your ISP deferrals and rejections are kept low thereby giving you consistent, long term, inbox delivery rates across all major ISPs.


No more dead ends

No More Dead Ends

Quite often, bulk email lists contain a lot of generic and no-reply email addresses hidden among the good ones. While sending to those addresses doesn't always generate a bounce, it does reduce your response rate.

ListWise automatically moves these dead-end email addresses to a separate list so you can still email to the generic ones if you want to.

API

Integration API

If you're an email marketing service provider, our ListWise API can be the difference between you winning or losing the bulk marketing game.

Using a single API call, your application can provide list cleaning services to your customers, thus extending your value-added proposition even further.

View developer API documentation

Auto typo fixing

Auto Typo Fixing

It’s common for people to make simple typos when opting-in via a web form on a website. However, this small typo can lead to quite a major disaster. For most common typos ListWise automatically fixes them for you.

This way, missing @ symbols and incorrect domain names are also fixed.

Clean 100 email addresses for FREE!

The free trial allows you to clean up to 100 email address. You can upload them as a CSV file or a simple Text file (bulk marketers default format). This is a great way for you to get a taste of how ListWise works and how it can take your email marketing efforts to a whole new level.

Claim your 100 free credits now