Retarus E-Mail Security
Retarus E-Mail Security is a cloud-based enterprise messaging platform delivers seamless and secure email, fax, SMS and EDI services for businesses.
Market Share of Retarus E-Mail Security
Current Customer(s)
614
Market Share (Est.)
0.08%
Ranking
#45
Top Competitors and Alternatives of Retarus E-Mail Security
The top three of Retarus E-Mail Security’s competitors in the Email Security category are Proofpoint with 42.66%, SendinBlue with 12.86%, MailChannels with 7.74% market share.
Popular Comparisons
Top Competitors and Alternatives of Retarus E-Mail Security
The top three of Retarus E-Mail Security’s competitors in the Email Security category are Proofpoint with 42.66%, SendinBlue with 12.86%, MailChannels with 7.74% market share.
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Customers of Retarus E-Mail Security
Around the world in 2025, over 614 companies have started using Retarus E-Mail Security as Email Security tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| ZEISS | 10,000+ | Oberkochen | Baden-Wuerttemberg | Germany |     |
| Ströer SE & Co. KGaA | 10,000+ | Koeln | North Rhine-Westphalia | Germany | |
| SRH Holding | 10,000+ | Heidelberg | Baden-Wuerttemberg | Germany | |
| Messer Group | 10,000+ | Bad Soden am Taunus | Hesse | Germany | |
| Rohde & Schwarz | 10,000+ | Munich | Bavaria | Germany | |
| KN | 10,000+ | Schindellegi | Schwyz | Switzerland | |
| SEUR | 5,000 - 9,999 | Madrid | Madrid | Spain | |
| Messer Tehnogas AD | 5,000 - 9,999 | Belgrade | Central Serbia | Serbia | |
| GHD GesundHeits GmbH Deutschland | 5,000 - 9,999 | Ahrensburg | Schleswig-Holstein | Germany | |
| Messer Austria | 5,000 - 9,999 | Herzogenburg | Lower Austria | Austria | |
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Retarus E-Mail Security Customers by Products and Services
The top three products and services offering customers that use Retarus E-Mail Security for Email Security are Engineering Services (6), Consulting (5), Spare Parts (4).
Customers
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Retarus E-Mail Security Customers by Employee Size
The majority of Retarus E-Mail Security's customers for the email-security category fall in the company size of 20 - 49 employees (104 companies), 100 - 249 employees (99 companies), 0 - 9 employees (97 companies).
Employee Size
Retarus E-Mail Security Customers by Geography
The top three geographies of Retarus E-Mail Security for email-security are the Germany with 424(73.61%), Austria with 30(5.21%), Switzerland with 30(5.21%) customers respectively.
Customers
Employees of Retarus E-Mail Security
Also see other Products/Services by Retarus E-Mail Security in:
FAQ
Find answers to the most often asked questions by users.
Who are the top Retarus E-Mail Security competitors?
Retarus E-Mail Security’s Top competitors in the email-security category are Proofpoint, SendinBlue, MailChannels. You can view a full list of Retarus E-Mail Security competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Retarus E-Mail Security and 40,000 other technologies on the internet. You can also compare Retarus E-Mail Security and its feature with top competitors here : Retarus E-Mail Security vs Proofpoint Retarus E-Mail Security vs SendinBlue Retarus E-Mail Security vs MailChannels.
What is Retarus E-Mail Security customer distribution based on company size?
What is Retarus E-Mail Security market share in the email-security?
What are the top countries that use Retarus E-Mail Security?
What are the top industries that use Retarus E-Mail Security?
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