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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
The Importance of Email Security Training

The Importance of Email Security Training

Blog
Email security training can help organizations and individuals protect their emails against cyber attacks through best practices and tools.
January 27, 2023
What Is Spam Email and How To Stop It

What is Spam Email and How to Stop it?

Blog
What is Spam Email: it is junk email that is sent to a large number of recipients, unsolicited, for advertising or phishing.
January 25, 2023
European Commission recommends DMARC for Email Communication Security 1

European Commission recommends DMARC for Email Communication Security

Blog
The European Commission (EC) issued recommendations for companies to implement DMARC for email communication security.
January 20, 2023
ChatGPT Knows PowerDMARC

ChatGPT knows PowerDMARC!

Blog
We used ChatGPT DMARC as a search criteria to find out whether ChatGPT recognizes PowerDMARC. This is what we found!
January 13, 2023
CNAME Vs A Record

CNAME Vs A Record

Blog
CNAME Vs A record : this comparison elaborates on how each of the DNS records are used and explains key differences.
January 12, 2023
What is a Zero Day Exploit

What is a Zero-Day Exploit, and Why is It Dangerous?

Blog
In a Zero day exploit hackers exploit vulnerabilities in the wild before it’s known to the creators or the public.
January 11, 2023
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    Recipient Address Rejected: Access Denied – Causes & Fixes (SMTP 550 5.7.1)May 9, 2025 - 5:53 am
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  • What Might Be a Phishing Message? 10 Red Flags You Shouldn’t IgnoreMay 1, 2025 - 1:03 pm
  • Microsoft Sender Requirements Enforced — How to Avoid 550 5.7.15 RejectionsApril 30, 2025 - 7:20 am

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