Koli-Lõks OÜ

What Koli-Lõks OÜ does

Koli-Lõks OÜ is an Estonian private limited liability company founded in 2015 and headquartered in Tallinn, operating in the email intelligence segment. The company tracks bulk and transactional email traffic sent to email addresses worldwide, providing visibility into which IP addresses or domains are responsible for particular bulk email volumes and which emails are sent on behalf of specific domains. Its core technology is an email tracking and monitoring system designed to attribute bulk and transactional email sends to specific senders at the infrastructure level (IP/domain) rather than the message level.

The company serves three primary B2B customer segments: email service providers (ESPs) including traditional bulk senders and email automation platforms, internet service providers (ISPs) and web hosting providers, and social networks. Use cases include sender reputation analysis, spam detection, sender verification, and monitoring of email communications across platforms. Koli-Lõks explicitly positions itself as serving the email ecosystem infrastructure layer rather than end recipients, distinguishing it from consumer-facing email analytics tools.

Koli-Lõks operates with a small team (1-10 employees) and its products remain under development, offered on a limited basis only. The company has not publicly disclosed pricing, named customers, partnerships, funding rounds, or revenue. Distribution is limited to direct contact via email, telephone, and Signal. No API, SDK, or formal integration capabilities are publicly documented, and the company's own description indicates an API/data-centric delivery model once products reach broader availability.

Name

Koli-Lõks OÜ

Legal name

Koli-Lõks OÜ

Website

https://koliloks.eu

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

1–10 employees

Short description

Koli-Lõks OÜ is an Estonian email intelligence company that tracks bulk and transactional email traffic globally, providing sender attribution data to email service providers, ISPs, and social networks. Its products remain in limited release as of 2026.

Ownership category

akta.pro rank

Product category

Email Intelligence Services

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821)

SIC

Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Processing & Data Preparation (7374)

akta.pro primary industry

Email & Collaboration Threat Detection/Response (ICR/CTDR) (HDADAKAI)

Keywords

• Email intelligence
• Email tracking
• Sender attribution
• Bulk email monitoring
• Transactional email analytics

Headquarters

HQ city

Tallinn

HQ country

Estonia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations

Revenue model

1. Email Intelligence Services: Products under development; revenue model not explicitly disclosed. The company provides information about bulk email senders targeting ESPs, ISPs, and social networks.

Go-to-market motion1 record

Core offering

Koli-Lõks OÜ tracks email sent to email addresses worldwide, providing intelligence about bulk and transactional email senders. The service attributes bulk email to specific IP addresses, domains, or senders on behalf of particular domains, and is targeted at email service providers, internet service providers, and social networks. Products are still under development with limited availability.

Product overview

Koli-Lõks OÜ offers an email intelligence and tracking service that provides information about bulk and transactional email senders. The company's products are still under development and are offered on a limited basis. Their service specializes in tracking email to email addresses worldwide, enabling analysis of bulk email sent by specific IP addresses, domains, or on behalf of particular domains. The service targets email service providers (ESPs), internet service providers (ISPs), and social networks. No specific named products or modules are described as the offerings are not yet widely available.

Differentiator

Problem solved

Functional benefit

Products and services

• Email Intelligence and Sender Attribution Service

Segments3 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Expansion highlights1 record

Direct peers

• Agari (Fortra): Agari, now part of Fortra, provides email threat intelligence and sender fraud protection by analyzing who is sending email on behalf of brands. It is highly comparable to Koli-Lõks because it tracks bulk email senders and provides domain-level attribution data to large enterprises and mailbox providers.
• Validity (Return Path): Validity operates the well-known Return Path sender reputation and email intelligence platform used by ESPs, ISPs, and mailbox providers. It is the closest direct competitor to Koli-Lõks because it sells bulk-email sender analytics and reputation data to the exact same customer segments.
• Valimail: Valimail focuses on email authentication and sender identity (DMARC/SPF/DKIM enforcement) and provides global intelligence on who is sending email on behalf of which domains. It shares Koli-Lõks' core capability of attributing bulk email senders to specific domains and serves an overlapping ESP/ISP buyer base.
• 250ok (Mailchimp / Intuit): 250ok is an email deliverability and intelligence platform that monitors sender reputation, blocklists, and authentication; it was acquired by Mailchimp/Intuit. It is directly comparable to Koli-Lõks because it provides bulk email and transactional email monitoring analytics to ESPs and senders.

Broad incumbents

• Mimecast: Mimecast is a major email security, archiving, and continuity vendor serving enterprises and service providers. Its email security analytics and sender reputation tooling are an overlapping capability set to Koli-Lõks, though delivered as part of a much broader suite.
• Proofpoint: Proofpoint is a large email security and compliance vendor with extensive sender reputation and threat intelligence capabilities. While it serves a broader security portfolio, its email intelligence and reputation features overlap directly with Koli-Lõks' offering for ISP, ESP, and social network buyers.

Others

• SendGrid (Twilio): SendGrid, owned by Twilio, is a major transactional and bulk email sending platform that has internal visibility into email traffic patterns. It is an adjacent ecosystem participant that could be either a customer or a competitor to Koli-Lõks in the email intelligence space.
• Postmark (ActiveCampaign): Postmark is a transactional email service that tightly monitors its own sending reputation and bulk email traffic. It is an adjacent ecosystem participant that overlaps with Koli-Lõks' transactional email monitoring use cases and is a potential customer-profile reference.

Emerging players

• Abnormal Security: Abnormal Security is an AI-native email security platform that analyzes sender behavior and bulk email patterns to detect attacks. Its behavioral email intelligence approach mirrors Koli-Lõks' sender-attribution focus, but at a much larger scale and with enterprise SaaS deployment.
• IRONSCALES: IRONSCALES is an email security vendor with AI-driven phishing and sender anomaly detection. It is an emerging specialist player comparable to Koli-Lõks in that both focus narrowly on email threat and sender intelligence rather than broad IT security.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat1 record

Key risks6 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Koli-Lõks OÜ