Skip to main content
Mailerio Case Study
How Ajelix Reclaimed Sender Reputation and Tripled Email Open Rate
”We can finally send email campaigns without worrying about spam folders, invalid emails, or wasted marketing budget.”

– Agnese Jaunosane, Co-founder and Market Strategist @Ajelix

Ajelix Reduction in spam complaints after mailerio implementation

93% Reduction in Spam Complaints

Spam traps and fake signups caused Gmail complaints to reach 15%. After Mailerio blocked them, complaints fell to >1%.

Ajelix 3x email open rate improvement with mailerio infographic

3x Increase in Open Rate

Mailerio helped Ajelix increase their overall email open rate from 20% to 67%, while the marketing campaign open rate grew by 7 times, from 6% to 40%.

Ajelix decreased bounce rate by 96% thanks to mailerio infographic

Bounce Rate Cut to 0.2%

Facing a high bounce rate of over 5%, Ajelix was wasting budget. Mailerio’s bulk list cleaning and validation significantly increased ROI and decreased bounce rate by 96%.

ajelix logo mailerio customer
About Ajelix

Ajelix is a data analytics toolkit designed for founders and managers. Featuring 20+ AI productivity tools and an intuitive BI platform, it helps non-technical teams handle data tasks without hiring a full-time analyst.


As a digital-first company, Ajelix relies heavily on email communication for growth.

The challenge:

Ruined Sender Reputation & High Bounce Rate

As Ajelix scaled, they faced a serious problem: emails weren’t being seen by the target clients.

“We were almost desperate because 1 in every 7 emails was landing in the junk inbox, with a 15% spam rate hurting our sender reputation. It felt like we were stuck at a crossroads, unable to reach our audience.”

– Arturs Jaunosans, CEO & Co-Founder of Ajelix

High spam complaints and bounce rates were causing poor inbox placement and wasting their marketing budget.

The solution:

Mailerio Is Protecting Ajelix’s Reputation & Boosting Email Performance

By integrating real-time email validation and list cleaning, Mailerio helped Ajelix identify and block invalid addresses, spam traps, and fake signups before sending.

“Since implementing Mailerio, our marketing campaign open rates have jumped 7 times within 3 months: from 6% to 40%.”

– Agnese, COO & Co-Founder of Ajelix

Now, only verified and genuine recipients receive Ajelix’s emails, protecting their sender reputation while drastically reducing bounce rates and spam complaints.

With Mailerio’s seamless API and easy bulk upload, Ajelix automated email verification, saving time, cutting costs, and maximizing marketing ROI.

clean email lists icon

Clean Email Lists

protected sender reputation visualization

Protected Sender Reputation

faster email deliverability visualization

Faster Email Validation

boosted deliverability visualization

Boosted Deliverability

mailerio logo white background

Email Deliverability Journey Starts With Mailerio

Contact Us
support@mailerio.com