SEPPmail

What SEPPmail does

SEPPmail AG is a privately held Swiss email security vendor founded in 2001 by Stefan Klein and headquartered in Neuenhof, with German operations via the 2015-established SEPPmail Deutschland GmbH. The company's core product is the Secure E-Mail Gateway, which combines standard S/MIME and PGP encryption with SEPPmail's proprietary GINA (Generic Invisible Network Application) method that enables spontaneous end-to-end encryption without pre-shared keys. The platform spans on-premises deployment through SEPPmail.appliance (VM and hardware) and a cloud-delivered service, SEPPmail.cloud, which adds anti-phishing, anti-malware, and anti-spam filtering with a stated 99.995% detection rate validated by Virus Bulletin VBSpam+ certifications.

The product portfolio extends to large file transfer (also GINA-based), digital signature/managed-PKI integration with Certificate Authorities such as SwissSign and QuoVadis, central disclaimer management, and specialized Switzerland-only editions (Incamail, HIN Connector for the Health Info Net medical network). SEPPmail.cloudfilter extends detection to QR-code threats embedded in images and PDFs.

SEPPmail sells through a hybrid GTM model: a certified partner channel of IT resellers, security specialists, and managed service providers across DACH, UK, and Spain, augmented by a small direct regional sales team and self-service online demos. Revenue derives from perpetual or subscription on-premises licenses, recurring cloud subscriptions, professional services for enterprise deployments, and digital certificate resale. Pricing is quote-based with annual billing; no public tiers are disclosed. Customers include regulated enterprises and mid-market firms in banking, insurance, healthcare, retail, and IT services — Hellmann, Helvetia, SUVA, DATEV, KPMG, dm, REWE, Hirslanden, Asklepios, and the Austrian Medical Association among named accounts. SEPPmail holds no disclosed external funding and operates as a founder-led, cash-generative enterprise with 11-50 employees.

Name

SEPPmail

Legal name

SEPPmail AG

Website

https://www.seppmail.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

11–50 employees

Short description

SEPPmail AG is a Swiss-founded email security vendor providing GDPR-compliant secure email gateways, cloud-based anti-phishing/malware filtering, and proprietary GINA spontaneous encryption, sold through certified channel partners to mid-market and enterprise customers in banking, healthcare, insurance, and public-sector organizations across DACH, UK, and Spain.

Ownership category

akta.pro rank

Product category

Email Security & Encryption Software

NAICS

Security Systems Services (56162), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210)

SIC

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

akta.pro primary industry

Email Data Loss Prevention & Encryption (HDADAKAD)

akta.pro secondary industries

Email Phishing & BEC Protection (HDADAKAB), Collaboration Security for File Sharing & Content (M365/Google Drive/Box) (HDADAKAG), Data Security & Privacy Managed Services (DLP/Encryption) (BPAEADAL)

Keywords

• Secure email gateway
• Email encryption software
• GDPR-compliant email security
• Spontaneous email encryption
• Managed PKI signatures

Headquarters

HQ city

Neuenhof

HQ country

Switzerland

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure

Revenue model

1. Software Licenses (On-premises): SEPPmail.appliance - VM images for download and hardware appliances for on-premises installation. One-time license or subscription for software deployment within customer infrastructure.
2. Cloud Services (SEPPmail.cloud): Managed cloud service with always-up-to-date security standards. Additional filtering against phishing, malware, and spam with 99.995% detection rate. Subscription-based pricing.
3. Professional Services: Implementation, configuration, and customization services for enterprise deployments. HIN network connection, Managed PKI integration, and cluster/high availability setup options.
4. Digital Certificates: Sale of digital certificates including SwissSign and QuoVadis Certificate Authority options for managed PKI deployments.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

SEPPmail sells a Secure E-Mail Gateway that provides GDPR-compliant email encryption for confidential messages, complemented by a cloud-based threat filter (spam, phishing, malware, ransomware, QR-code inspection), secure large file transfer, digital signature and managed PKI, and central disclaimer management. Deliverables include SEPPmail.cloud (managed cloud service), SEPPmail.appliance (on-premises VM or hardware), Microsoft 365/Outlook integrations, and Switzerland-specific editions (IncaMail, HIN).

Product overview

SEPPmail is an email security company offering a unified secure email communication platform with five integrated solutions managed from a single interface. The core offering is the Secure E-Mail Gateway, which provides guaranteed GDPR-compliant encryption using both standard technologies and SEPPmail's proprietary GINA spontaneous encryption method. This core gateway can be deployed on-premises via SEPPmail.appliance or as a cloud service through SEPPmail.cloud. The product portfolio includes complementary modules for Large File Transfer (using GINA technology), Signature Management with managed PKI integration (supporting SwissSign and QuoVadis Certificate Authorities), Digital Certificates, and Central Disclaimer Management. Additional specialized offerings include Microsoft 365 integration, Outlook Add-In, SEPPmail.cloudfilter for advanced threat protection, and Switzerland-specific solutions like the Incamail Edition and HIN Connector for medical networks.

Differentiator

Problem solved

Functional benefit

Brands

• SEPPmail.cloud: Cloud-based email security solution with 99.995% detection rate for spam, phishing, malware and ransomware
• SEPPmail.cloudfilter
• GINA
• Secure E-Mail Gateway
• SEPPmail Incamail Edition
• SEPPmail HIN Connector

Products and services

• Secure E-Mail Gateway SEPPmail's core product: a secure email gateway that guarantees 100% GDPR-compliant encryption of confidential emails via S/MIME, PGP, domain encryption, and SEPPmail's proprietary GINA spontaneous-encryption method, configurable and extensible per customer requirement.
• SEPPmail.cloud Cloud-based email security service delivering always up-to-date standards with additional filtering against phishing, malware, and spam at a 99.995% detection rate, offered under subscription pricing.
• SEPPmail.cloudfilter Cloud filter add-on for protecting against phishing, viruses, spam, malware, spyware, and ransomware, with QR code checking in emails and PDF attachments.
• Secure Large File Transfer Secure large file transfer solution using SEPPmail's proprietary GINA technology to enable secure sending of large attachments without size limitations.
• Signature Management (Digital Signature & mPKI) Digital signature and managed PKI solution supporting integration with selected Certificate Authorities (including SwissSign and QuoVadis) and automatic digital signature implementation to guarantee sender authenticity and message integrity.
• Digital Certificates Sale and management of digital certificates for email encryption and signing, integrated with selected Certificate Authorities including SwissSign and QuoVadis.
• Central Disclaimer Management Centralized disclaimer management ensuring consistent look-and-feel and legal compliance for all outgoing emails and corporate signatures.
• SEPPmail.appliance On-premises deployment option of the Secure E-Mail Gateway, delivered as VM images for download or as powerful hardware appliances for organizations preferring on-premise installation under a one-time license or subscription.
• SEPPmail Outlook Add-In Microsoft Outlook add-in providing direct integration of SEPPmail's encryption and security features within the Outlook interface for end users.
• Microsoft 365 and SEPPmail Integration solution that extends Microsoft 365 email protection with SEPPmail's full secure email communication capabilities, including encryption, digital signatures, and threat filtering.
• SEPPmail on Azure Deployment option enabling SEPPmail virtual machines to run on Microsoft Azure (and AWS) cloud infrastructure, with pre-configured VM images available in the Azure Marketplace.
• SEPPmail Incamail Edition Switzerland-only specialized edition of SEPPmail integrating with Swiss Post's IncaMail service for secure email communication in the Swiss market.
• SEPPmail HIN Connector Switzerland-only connector for the HIN (Health Info Net) medical network, enabling secure email communication for healthcare organizations via the HIN network.
• SEPPmail.cloud Online Demo Interactive online GINA encryption demo where users receive an encrypted email via SMS to experience SEPPmail's spontaneous encryption firsthand.

Quantifiable outcome

• 99.995% spam/phishing/malware detection rate for SEPPmail.cloud
• +1 more outcomes

Named customers17 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

AI capability3 records

Feature6 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• LEAcoreStrategic or Co-development Partner · 1 October 2025Strategic partnership announced in October 2025 for secure email communication across Europe. LEA and SEPPmail collaborating to provide comprehensive email security solutions to European customers.
• InfinigatecoreChannel Partner/ Reseller/ Distributor · 1 January 2025Distribution partnership providing customer satisfaction in email security. Infinigate organizes VIP Talk events featuring SEPPmail for IT system houses and service providers in Austria.
• DTS SystememinorChannel Partner/ Reseller/ DistributorJoint go-to-market partnership for comprehensive email security. DTS Systeme resells and implements SEPPmail solutions.
• atectominorChannel Partner/ Reseller/ DistributorIT service provider partnership for email security distribution.
• CyProtect AGcoreChannel Partner/ Reseller/ DistributorLong-standing sales partnership since many years. CyProtect awarded Platinum Partner status in 2021 for excellence in delivering SEPPmail solutions.
• MicrosoftcoreTechnology or IntegrationDeep product integration with Microsoft 365 and Azure. SEPPmail offers dedicated Microsoft 365 protection, SEPPmail Outlook Add-In, and SEPPmail on Azure deployment. VM images available in Azure marketplace.
• AlintocoreChannel Partner/ Reseller/ DistributorTransfer of key email services in Switzerland from Alinto to SEPPmail announced in December 2025. Alinto transfers email security services to ensure secure cloud-based services and continued local support for customers.
• Bundesbeschaffung GmbH (BBG)minorChannel Partner/ Reseller/ DistributorOfficial BBG partner listing enabling Austrian public sector organizations to procure SEPPmail solutions through government procurement framework.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Mimecast: Cloud-native email security and archiving platform offering targeted threat protection, content filtering, and S/MIME encryption — directly overlapping SEPPmail's Secure Email Gateway and SEPPmail.cloud value proposition.
• Proofpoint: Largest independent secure email gateway vendor with strong presence in regulated European and DACH enterprises; competes head-to-head with SEPPmail on email encryption, anti-phishing, and DLP for mid-market and large enterprises.
• Retarus: Munich-headquartered enterprise email security and secure messaging provider serving many DACH mid-market and enterprise customers — directly comparable regional competitor with similar channel-led GTM.
• Hornetsecurity: German-based cloud email security provider with deep DACH market presence in spam/phishing protection and Microsoft 365 backup — direct regional competitor with similar SME-to-enterprise target customers.
• Egress (now part of KnowBe4): UK-headquartered email encryption specialist with strong Microsoft 365 integration and AI-driven DLP — a direct competitor in the same enterprise email-encryption niche SEPPmail targets, particularly across UK and DACH.
• Zix | AppRiver (OpenText): Email encryption and threat-protection vendor (now under OpenText) selling S/MIME, TLS, and policy-based encryption to regulated mid-market customers — directly overlapping SEPPmail's secure email gateway proposition.

Emerging players

• Tuta (Tutanota): End-to-end encrypted email provider with a strong privacy/European-trust brand — overlaps with SEPPmail on GDPR-compliant encryption positioning but serves a different (consumer/SMB) segment.

Broad incumbents

• Microsoft (Defender for Office 365 / Purview): Bundled native email security, encryption, and DLP inside Microsoft 365 — the dominant baseline against which SEPPmail's Microsoft 365 extension and Outlook Add-In are positioned.
• Cisco (IronPort / Secure Email): Long-established email-security gateway incumbent (IronPort heritage) sold into large enterprises — broader portfolio incumbent competing for the same regulated-customer wallet as SEPPmail.

Regional players

• Totemo (now part of Deutsche Telekom / iT-CUBE): Swiss-based email encryption and data-loss-prevention vendor historically focused on DACH regulated industries — overlapping target customers and use cases with SEPPmail's Swiss roots.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xtwitter.com/SEPPmail
• YouTubeyoutube.com/channel/UCbHY7nz3c3AVnkJoaD4x_jA
• Facebookfacebook.com/SEPPmail
• LinkedInlinkedin.com/company/seppmail-deutschland-gmbh

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about SEPPmail