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  • Authors
  • Ahona Rudra
  • About
  • Latest Posts
Ahona Rudra
Domain & Email Security Expert at PowerDMARC
Ahona is the Marketing Manager at PowerDMARC, with 5+ years of experience in writing about cybersecurity topics, specializing in domain and email security. Ahona holds a post-graduation degree in Journalism and Communications, solidifying her career in the security sector since 2019.
Latest posts by Ahona Rudra (see all)
  • Microsoft Sender Requirements Enforced— How to Avoid 550 5.7.15 Rejections - April 30, 2025
  • How to Prevent Spyware? - April 25, 2025
  • How to Set Up SPF, DKIM, and DMARC for Customer.io - April 22, 2025
DMARC Configuring for Domain Protection

DMARC Configuring for Domain Protection

Blog
Read a detailed step-by-step guide on DMARC configuring for domain protection. Protect your domain’s reputation from phishing and email spoofing.
June 13, 2022
DKIM signature

What is a DKIM Signature: A Compete Guide to DKIM Signatures

Blog
This article explains the DKIM signature, what it stands for, how it works and why it is important.
June 7, 2022
SPF Violation

SPF Violation

Blog
Emails sent by marketers may be bounced for a variety of reasons.In most cases, users get a failure notification, such as: “SPF Violation”. Fix SPF violation today to prevent email deliverability issues.
June 7, 2022
SPF Record Syntax

SPF Record Syntax

Blog
This tutorial will guide you to learn more about SPF Record Syntax and its mechanisms, qualifiers, extensions and modifiers.
May 31, 2022
Receiving DMARC reports outside your domain

What is DMARC “External Destination Verification”? | Receiving DMARC reports outside your domain

Blog
Receiving DMARC Reports outside your domain is possible through DMARC external destination verification. More about how external domain verification works.
May 30, 2022
Ping Spoofing

What is Ping Spoofing?

Blog
Ping spoofing is the process of sending out fake pings to a network. This is done by sending pings to an address that does not exist on the network and then logging the responses for future use.
May 30, 2022
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