SMTP Relay: Facilitating Efficient Email Delivery
In the world of email communications, SMTP relay plays a critical role in ensuring that emails are delivered efficiently across networks. Whether you're a business sending newsletters or...
Sendmail: Configuring Email Servers for Security
Sendmail is a widely-used mail transfer agent (MTA) that handles the delivery of email across networks. It’s been a cornerstone of email server infrastructure for decades, primarily on Unix-based...
DMARC Explained: Securing Email Integrity
DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email authentication protocol that helps prevent spoofing and phishing attacks. It allows domain owners to define how...
DMARC Checker: Validate Your Email Protection
Ensure your email domain is protected from spoofing with Arsen's free DMARC Checker. Validate your DMARC setup, verify SPF and DKIM alignment, and safeguard your emails against cyber threats....
What is DKIM? Understanding Email Authentication
DKIM (DomainKeys Identified Mail) is an email authentication method that verifies the sender's identity and ensures message integrity. By adding a digital signature to emails, DKIM helps protect...
DKIM Checker: Verify Email Security
Ensure your emails are protected from spoofing and tampering with Arsen's free DKIM Checker. Easily verify your email's DKIM setup and secure your communications from potential cyber threats. Protect...
How to report a fraudulent email?
Learn how to report a fraudulent email is a crucial step in the fight against phishing. In an ideal world, everyone facing a phishing attempt would report it, as it contributes to the fight against...