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    • SSL Certificates
      • EuropeanSSL: Trustworthy SSL Certificates for Secure Data Protection
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      • Extended Validation SSL
      • S/MIME Certificates
      • Code Signing Certificates
    • Email Filter
      • Email Filter
      • Inbound spam filter to protect against spam, viruses and malware
      • Outbound email filter prevents blacklisting and protects your company's reputation
      • Legally compliant email archiving with EuropeanMX
      • Exchange & Office 365
    • DNS Filter
      • DNS Filter
      • DNS Filtering: Enhancing Network Security and Productivity with EuropeanWF
      • Benefits of DNS Filtering System for Various Scenarios
      • EuropeanWF DNS Filtering System: AI-Powered Cyber Security Protection
    • Firewall
      • Web Security
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      • Enterprise Security with Imperva
    • Other Services
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  • Support
    • Knowledge Base
      • EuropeanSSL FAQ
        • EuropeanSSL Order transaction
          • How does the validation of an EV certificate at EuropeanSSL work (extended validation)?
          • How can I renew my existing certificate?
          • I only want a trial certificate, why does this type also have to be validated?
          • How does the validation of a starter certificate at EuropeanSSL work (domain validation)?
          • Can I order a SSL certificate for an IDN domain (domain with Umlaut) as well?
          • How does the validation of a Premium certificate at EuropeanSSL work (organization validation)?
          • What is a CAA entry and how does it work?
          • How does the validation of a code signing certificate work?
        • EuropeanSSL General
          • Can I change the IP address of my domain if I have an ssl certificate on that domain?
          • Why do EuropeanSSL certificates cost significantly less than other Certification Authorities?
          • Which browsers and devices support EuropeanSSL certificates?
          • Can I protect various sub-domains with a single certificate?
          • Where can I get the free web seal?
          • What is a certification authority (CA)?
          • Can I test your SSL certificates before buying?
          • What is Secure Sockets Layer (SSL)?
          • What is encryption?
          • Do I need an SSL certificate for my website?
          • Heartbleed Bug - How to make your SSL encrypted site secure again.
          • Do I need my own IP address?
        • EuropeanSSL S/MIME-Certificates
          • How can I implement my e-mail certificate (S/MIME) in Outlook 2016 and sign/encrypt my e-mails?
          • How can I implement my e-mail certificate (S/MIME) in Outlook 2010/2013 and sign/encrypt my e-mails?
          • How can I implement my e-mail certificate (S/MIME) in Outlook 2003 and sign/encrypt my e-mails?
          • How can I implement my e-mail certificate (S/MIME) in Mozilla Thunderbird and sign/encrypt my e-mails?
          • How can I implement my email certificate (S/MIME) in Mac OS X Mail / Apple Mail and sign/encrypt my email?
          • How can I implement my e-mail certificate (S/MIME) in iOS and sign/encrypt my e-mails?
          • What is the difference between Strict and Multipurpose?
          • How can I order an S/MIME certificate for multiple e-mail addresses?
        • EuropeanSSL Troubleshooting
          • The CSR cannot be decoded or is invalid
          • Why do I not get a green address bar in Chrome and Firefox despite having an EV certificate?
          • My software indicates that an intermediate certificate has expired since 30.05.2020. How can I solve this?
          • I have a new server or have switched to a different provider, how do I transfer the SSL certificate?
          • The certificate is not recognized by my mobile device.
          • I get the error message 'cert/key mismatch'. What does this mean?
          • I get the error message 'Unsupported Keysize'. What do I have to do?
          • Why do I get the message 'PRE-SIGN FAILED!!!'?
          • How do I obtain a certificate with CRL extension?
          • Fixing the SHA2 error on Windows Server 2003 and XP
        • EuropeanSSL Install
          • Do I need to install all the certificates that I received?
          • How can I install root and intermediate certificates under Microsoft IIS 5.x/6.x?
          • How can I check if my SSL certificate is installed correctly?
          • Why did I receive a zip file with several files from you by e-mail?
          • How do I install my SSL certificate on the Apache web server?
          • How do I install my SSL certificate on IIS7 (Windows Server 2008)?
          • How can I create a PFX file?
          • How do I copy an SSL certificate from one Windows server to another Windows server?
          • How do I install my SSL certificate on Exim 4.x?
          • How do I install an SSL certificate on a Synology NAS?
          • How do I install my SSL certificate on IIS5 and 6?
        • EuropeanSSL CSR Generator
          • How do I create a CSR on my own Linux server?
          • What is a Certificate Signing Request (CSR)?
          • What does key algorithm mean in relation to the generation of a CSR?
          • What are the advantages and disadvantages of key encryption (cipher)?
          • What does the hash algorithm (digest) mean for CSR generation?
          • What's a key pair?
          • How do I generate a Certificate Signing Request (CSR) under OpenSSL?
        • EuropeanSSL ACME CaaS (Certificates as a Service)
      • EuropeanMX FAQ
        • EuropeanMX General
          • How can I read the header of a message?
          • How do I log in to my Eunetic account and manage it?
          • What access does EuropeanMX have to the email data?
          • What are the SMTP responses and what do they mean?
          • Which providers are not supported?
          • Is IPv6 supported?
          • My mail server is on a blacklist. Can you help me?
          • Are your servers located in Germany?
          • Is a sender completely blocked after sending me a single spam message?
          • Do your servers support an encrypted connection (TLS)?
          • Does the admin have full access to the email or is the view in the web console restricted to the header?
          • Do you scan the messages for viruses?
          • What is spam and who sends it?
          • In which country are my e-mails stored?
          • Can custom keywords be placed on a blocklist so that messages containing such a word are blocked?
        • EuropeanMX E-Mail Archive
          • How can I set up the archive function for my domain?
          • How can I make the settings for archiving and what options are available?
          • How can I view archived messages, download them or have them resent to me?
          • How can I save storage space? Can I allow messages to expire?
          • How can I exclude certain mailboxes from archiving?
          • How can I search for archived messages?
          • How can I activate journaling in Exchange (2010 - 2019) and Microsoft365?
          • Is it possible to use our admin account to globally access the mail archives for the individual e-mail addresses, or is it necessary to set up a separate account for each e-mail address?
          • Are you able to migrate existing archives?
          • Where and how is the archive stored?
          • How can I calculate the approximate size of the required archive storage? Do you compress archived messages?
          • How can I activate journaling in Exim (Linux)?
          • How can I activate journaling in Postfix (Linux)?
        • EuropeanMX Reporting
          • How can I be informed about blocked incoming messages?
          • How can I create Email Scout reports and have them sent to me?
          • How can I view or edit automatic or individual Email Scout reports?
          • Are there statistics about the blocked/delivered messages of my domain?
          • Can I use Catch-All in combination with EuropeanMX on my server?
          • Is there an API for SPAM notification?
        • EuropeanMX Installation
          • How do I set up the outbound filter of EuropeanMX for my domain?
          • How do I set up the incoming filter of EuropeanMX for my domain?
          • How do I set up the inbound filter of EuropeanMX for Exchange Online (Microsoft 365)?
          • How do I set up Exchange Online (Microsoft 365) to send messages via the outgoing filter?
          • How do I set up Exchange (2003 - 2019) to accept incoming messages only from the EuropeanMX servers?
          • How do I set up Exchange (2003 - 2016) or Office365 to allow verification of the recipient address for incoming messages?
          • [EuropeanMX Quickstart Installation Guide]
          • How do I create a domain in EuropeanMX?
          • How do I set up Qmail to send messages via the outgoing filter?
          • How do I set up PostFix to send messages via the outgoing filter?
          • How do I set up cPanel/WHM to send messages via the outgoing filter?
          • How do I set up Exim (DirectAdmin) to send messages through the outbound filter?
          • How do I set up Exchange (2000 - 2019) to send messages through the outbound filter?
          • How do I set up Sendmail to send messages through the outbound filter?
          • How do I set up MailEnable to send messages via the outgoing filter?
          • How do I set up Kerio to send messages through the outgoing filter?
          • How do I set up IceWarp to send messages via the outgoing filter?
          • How do I set up cPanel/WHM to accept incoming messages only from the EuropeanMX servers?
          • How do I set up PostFix to accept incoming messages only from the EuropeanMX servers?
          • How do I set up SmarterMail Configuration (Windows 2012) to accept incoming messages only from EuropeanMX servers?
          • How do I set up Exim(DirectAdmin) to accept incoming messages only from the EuropeanMX servers?
          • How do I set up Qmail to accept incoming messages only from the EuropeanMX servers?
          • How do I set up Cisco IOS based routers to accept incoming messages only from the EuropeanMX servers?
          • How do I set up Cisco ASA based devices to accept incoming messages only from the EuropeanMX servers?
          • Is there anything I need to consider when configuring the incoming filter in cPanel?
          • How can I set that only messages from the EuropeanMX cloud are accepted?
          • How can I apply your MX servers to my DNS settings?
          • How do I configure Google Workspace to use EuropeanMX for my domain?
        • EuropeanMX Order & Contract
          • What liability is assumed in the event of data loss?
          • Which contract terms and periods of cancellation must be observed?
          • What does the Fair-Use Traffic Agreement mean? Is a dynamic monthly billing based on traffic usage also possible?
          • How can I test or set up the service free of charge?
          • Are the domain and its settings automatically transferred from the trial package to a paid package?
          • How are subdomains and aliases handled?
          • Which payment options does Eunetic offer?
        • EuropeanMX Inbound Filter
          • Is LDAP synchronization supported? How can we set this up?
          • Can I block dangerous/unwanted file extensions?
          • How can I reject messages with certain characters in the recipient address?
          • What is the maximum size of an e-mail message?
          • Can I disable the quarantine?
          • Which settings for incoming filtering can I make for my domain?
          • What settings can I make with regard to my mailboxes?
          • How do I have to configure my mail client (Outlook, Thunderbird, etc.) to access the quarantine via IMAP?
          • Is there a list of all IP addresses that connect to our mail server for delivery?
          • How can I report spam that has not been filtered and reached my mailbox as spam?
          • (How) Can I use domain aliasing?
          • Does every user need access to his SPAM account or is it only available for the administrator?
          • What does quarantine mean and how can I access it?
          • Which methods are used for filtering?
          • What happens if the target server is not reachable?
          • What is a Recipient Callout?
          • What is a bounce message? How can I prevent these messages?
          • What does greylisting mean and how is it handled at EuropeanMX?
          • What does score and threshold mean? How are they calculated?
          • How long are messages stored in quarantine?
          • Is it possible to have my e-mails processed exclusively via servers within Europe?
          • What are MX records and which ones should be used for incoming filtering?
          • What is HAM? How can I report HAM messages?
          • (How) Can I change actions for specific message types?
          • What can I do if I still receive spam even though I have a spam filter?
        • EuropeanMX Outbound Filter
          • What is DKIM and why should I use it? How does the setup work?
          • I send messages for several domains via one IP address. Is this possible with EuropeanMX?
          • What is DMARC and what is this record used for?
          • How can I activate outgoing user authentication if multiple domains send from the same IP?
          • How do I set up an outgoing user?
          • How can I use the identification method 'Message header'?
          • Is it possible to lock users automatically?
          • Is it possible to send e-mails over several different IP addresses?
          • Should an outgoing spam mail be detected by the filter, is there a return value / error code for the e-mail delivery? If yes, how is the SMTP error code?
          • What is the hostname or IP address of the smart host that I have to enter on my Exchange server?
          • What is an ARF report? How can I set it up? Why do I receive such messages?
          • How can I force the usage of the smart host?
          • What is an SPF record and how should it be structured?
          • Do you send MS-Exchange 2016 absence notes to the recipient?
        • EuropeanMX Web Interface
          • How to get an overview of the blocked messages?
          • How can I log into the Admin-Panel (web interface of the filter)?
          • Is it possible to control traffic usage in the web interface?
          • Are there any examples of how the rules for the block and allow list can be designed?
          • Is there a user administration?
          • Is there a log?
          • Is it possible to determine the traffic consumption per e-mail address?
          • Which browsers are supported by EuropeanMX?
          • How is the admin panel structured? What are the most important menu items?
          • Can access to the Spampanel be secured with a 2-factor authentication?
          • Are several administrative users on the same domain possible?
          • What do the classifications of messages in the web interface mean?
      • EuropeanNS FAQ
        • EuropeanNS Installation
          • How can I configure EuropeanNS for my domain?
          • How can I create a DNS template and how can I use it?
          • How can I perform an update for multiple DNS zones at the same time?
          • What is a DNS zone and which DNS types exist?
          • Can I use EuropeanNS as a master or slave name server?
          • How can I switch to EuropeanNS if I am already using another DNS provider?
          • Is there an API that I can use to manage the DNS zones?
        • EuropeanNS Troubleshooting
          • I have problems with DNS resolution of my domains. How can I fix the problem?
          • Which information do I need to provide so that a particular behavior can be investigated?
          • Why is my traffic going through a different node?
          • How can I restore a DNS zone?
        • EuropeanNS General
          • What is Anycast DNS hosting and how does it differ from traditional DNS hosting?
          • How does DNSSEC improve the security of my DNS infrastructure?
          • What are the advantages of using DNS zone templates?
          • How does the EuropeanNS pricing structure scale with my needs?
          • How does Anycast DNS affect the global accessibility and latency of my website?
          • How can I test EuropeanNS?
      • EuropeanLEI FAQ
        • LEI ordering, renewal and transfer
          • How long does LEI application take?
          • How much does an LEI number cost?
          • How can I register an LEI?
          • Where can I apply for an LEI number?
          • How can I renew my LEI number?
          • How can I transfer my LEI number?
          • How can I reactivate my expired LEI number?
          • 3 reasons why you should never let your LEI expire.
          • What happens if an LEI code is not renewed?
        • LEI General
          • Is a GbR subject to LEI?
          • How long is an LEI valid?
          • Who is required to use an LEI?
          • How can I search by LEI number or company?
          • How can I find out if an LEI number has expired or is inactive?
          • What is an LEI?
          • I have an LEI number but the bank says it is invalid or inactive.
          • What is the importance of an LEI number in the financial sector?
          • What are level 1 or level 2 data?
          • What do we have to do if the company data in the official registration has changed?
          • Who can apply for an LEI?
          • Verification documents
          • Who is not eligible to apply for an LEI number?
          • What is the Policy Conformity Flag?
      • EuropeanSEC FAQ
        • Installation
          • How can I set up and activate EuropeanSEC for my website?
          • Which IP addresses do I need to allow in my firewall to avoid a blockade from EuropeanSEC?
          • How can I set up my own certificate in EuropeanSEC?
        • General
          • How can I access EuropeanSEC?
          • How does a firewall protect my website?
          • Which scans can EuropeanSEC perform?
        • Troubleshooting
          • What do the error messages of the firewall or the CDN mean?
      • Cyber Security Glossary
    • Eunetic Customer Service and Contact Information
    • SSL Root Certificates
    • EuropeanSSL Special Agreements and Extended Terms & Conditions
    • EuropeanMX IP-Pool for Delivery Network
  • Toolbox
    • SSL-Tools
      • SSL Checkup
      • Converting formats for certificates
      • CSR Generator
      • CSR Decoder
    • MX-Tools
      • MX Checkup
      • SPF Generator
      • DMARC Generator
      • DMARC Report Analyzer Tool: Improve Email Authentication and Prevent Fraudulent Activities
  • Terms and Conditions
  • Privacy Policy
  • Legal Disclosure
  • Eunetic Partner Program: High-Quality Security Solutions for Your Customers
  • Testimonials
    • Optikom Media GmbH
    • ErOn - Erfolgreich Online
    • bitbase GmbH & Co. KG
    • chiliSCHARF Kommunikationsagentur e.U.
    • Cyber.net SRL
    • Bundesverband Mittelständische Wirtschaft
    • Gustini GmbH
  • Cybersecurity Blog
    • Introducing europeanWF: Revolutionary DNS Web Filtering for Comprehensive Network Protection
    • LEI Numbers: The Key to Transparency and Security in the Financial Sector and Their Connection to the IT Security Field
    • The importance of data security in the healthcare industry
    • Quantum computing and cyber security: potential impact and preparations
    • Cloud-Based DNS Web Filters: Enhancing Network Security Against Cyber Threats
    • The importance of SSL certificates for small and medium-sized enterprises
    • The Importance of Email Communication and Protecting Against Spam
    • Anycast DNS - The solution for improved performance and security
    • The Importance of Security Awareness in Defending Against Cyber Threats
    • How a Web Application Firewall Secures Your Online Business
    • Cybersecurity Trends for SMBs in 2023: Protecting Against Cyber Threats
    • Effective email management for data protection and security
    • Ransomware: trends, consequences and prevention
    • How to detect and avoid a phishing attack
    • Guide to cyber security for small and medium-sized enterprises
    • How to protect your company from insider threats
    • Telecommuting and cyber security: The changing world of work and its challenges
    • How to run a cybersecurity assessment for your organization
    • Two-factor authentication and password policies - improve digital security.
    • Privacy by design: protecting privacy and benefits for companies
    • How to plan and implement a successful security awareness campaign
    • Cloud security: Best practices for protecting your data in the cloud
    • Botnets - threat, how they work and effective defense measures
    • What Is Anycast DNS and Why Should Your Business Use It?
    • Cyber security challenges and solutions for IoT devices
    • Year in review: The top cyber security threats of 2023 and how to prepare for 2024
    • A short introduction to the world of SSL certificates (Secure Sockets Layer)
    • Strengthen your smartphone: Mobile security with encryption and mobile device management!
    • Threats and risks in corporate security
    • Incident Response and Crisis Management: How to ensure your organization's resilience in challenging times.
    • Employee Security training and awareness: equip your workforce for success
    • Security Considerations for Cloud Services
    • New email guidelines from Google and Yahoo: Improving email security and fighting spam
    • Spear-Phishing: Fundamentals, Techniques, and the Impact of AI
    • Darknet and Deep Web: What companies should know
    • The Role of IT Security Policies in Your Business: Protecting Your Digital World
    • Introduction to encrypted communication and why it is important
    • The importance of data classification for data protection
    • The role of artificial intelligence (AI) in cybersecurity
    • Understanding Cyber ​​Risk Management: A Guide for Businesses
    • 20 reasons why regular software updates and patches are important.
    • The growing threat of IoT security risks
    • Cybersecurity and Privacy: How They Work Together
    • 11 strategies to understand and defend against social engineering attacks
    • Building a Secure IT Network: Basic Steps for a Resilient Digital Landscape
    • Mobile Security: Protect your business in a BYOD culture
    • The importance of regular security audits for your IT infrastructure
    • Secure Software Development: Best Practices for a Safer Digital World
    • Intrusion Detection Systems (IDS): Why your business needs one
    • The effects of the GDPR on IT security
    • Protect your company from phishing attacks - 11 powerful strategies
    • Why the implementation of a secure password management system is so important
    • Meaning of Backups and Disaster Recovery for Cybersecurity: Protection of Your Digital Assets
    • Ransomware - 25 tips on how to protect your company from it
    • The role of multi-factor authentication in cybersecurity: Improving digital defense
    • Protection against insider threats: Strategies and tips for a secure future
    • Cybersecurity in the Home Office: 23 tips for a secure work environment
    • How to create an effective incident response strategy
    • How penetration tests can improve your cybersecurity
    • Cyber security risks for mobile apps: What you should know
    • What is Zero Trust? And why is it important for cybersecurity?
    • The role of cybersecurity in the supply chain.
    • The growing threat of cryptojacking: How can you protect yourself?
    • Cyber insurance: What it covers and why you might need one
    • Best Practices for IT security: 11 methods to protect your digital assets
    • Secure device configuration for businesses: Best practices for a safer future
    • Cyber security certifications: The most important certificates presented
    • Endpoint security: Why is it so important?
    • Learn more about Advanced Persistent Threats (APTs) and how you can protect yourself from them.
    • The importance of physical security in cybersecurity
    • 5G and Cybersecurity: Challenges and Opportunities
    • The importance of a cyber security culture in the company
    • Cybersecurity in the financial sector: Challenges and Solutions
    • New Technologies - Security Concepts for Artificial Intelligence, IoT, Blockchain, and Cloud Computing
    • Understanding network security - measures to create a more secure digital ecosystem
    • Data protection and compliance: Protection of information in the digital age
    • Cloud Security: Protecting Your Digital Assets in the Virtual Sky
    • Understanding the Role of Web Application Firewalls (WAFs) in Business Security
    • Choosing Between Public, Private, and Hybrid Cloud: What's Best for Your Business?
    • How to Conduct a Data Protection Impact Assessment
    • The Role of AI in Detecting Cyber Threats
    • Countering Common Cloud Security Threats and Protecting Your Data
    • How to Combat Email Spoofing with DMARC
    • Exploring Web Application Firewalls: Functionality and Benefits
    • Gamifying Cybersecurity Training for Better Engagement
    • The Critical Role of LEI Numbers in Financial Transactions
    • Understanding the Benefits of Anycast DNS for Global Businesses
    • Understanding Cloud Compliance Standards: ISO, GDPR, and SOC 2
    • Zero Trust Architecture: Revolutionizing Cybersecurity
    • Data Anonymization Techniques for GDPR Compliance
    • Exploring the Variances Between Email Encryption and Email Authentication
    • Understanding the Differences: WAF vs. Traditional Firewalls
    • The Psychology of Social Engineering: Defending Against Manipulation
    • Security Awareness Metrics: How to Measure Employee Progress
    • The Significance of LEI Numbers in Cross-Border Financial Transactions
    • Leveraging Anycast DNS for Enhanced Website Availability and Performance
    • The Importance of Cost vs. Benefit Analysis in Cloud Migration
    • Building an Effective Incident Response Plan
    • Navigating Privacy Regulations for Cross-Border Data Transfers: Key Considerations and Best Practices
    • Secure Your Business Email Accounts: 10 Essential Steps
    • Top WAF Features to Look for in 2025
    • Factors to Consider When Choosing an LEI Issuer
    • Securing Your Anycast DNS Setup Against DDoS Attacks
    • Enhancing Spam Filters: Advanced Techniques Beyond Blacklists
    • Future-Proofing Your Website with Post-Quantum SSL
    • Balancing Productivity and Security with DNS Filters
    • How AI is Shaping the Future of Cloud Security
    • Enhancing Cybersecurity in a Remote Work Environment
    • Privacy by Design: Enhancing Data Protection in Your Organization
    • Phishing Simulation Tools: Are They Worth the Investment?
    • Importance of Cybersecurity Training for Executives
    • The Evolution of the Legal Entity Identifier (LEI) for Financial Transparency
    • Reducing Latency with Anycast DNS: a virtual Case Study
    • Cloud Backup Strategies for Disaster Recovery
    • The Growing Threat of IoT Attacks and How to Mitigate Them
    • Data Breach Notification Laws: A Comprehensive Guide
    • The Evolution of Email Threats: From Spam to Ransomware
    • How a WAF Prevented a Major Security Breach
    • How to Recognize and Report Phishing Emails
    • The Role of LEI Numbers in Regulatory Compliance
    • The Crucial Role of Anycast DNS in Disaster Recovery
    • A Comparison of Open Source and Proprietary Security Tools
    • Best Practices for Email Archiving Compliance
    • Shorter SSL Lifespan – What You Need to Know
    • The Importance of Digital Accessibility: Meeting the Requirements of the Accessibility Strengthening Act
    • europeanSEC: Secure Your Web Apps Effortlessly