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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
6 misconceptions blog

Top 6 Misconceptions People Have About DMARC

Blog
For a lot of people, it’s not immediately clear what DMARC does or how it prevents domain spoofing, impersonation and fraud.
August 3, 2020
nz spoofing risk blog

NZ organizations showing low DMARC compliance rates

Blog
New Zealand’s top 200 companies and government departments are facing serious DMARC compliance issues, putting them at 36th spot worldwide.
July 16, 2020
what is dmarc blog

What is DMARC?

Blog
One of the easiest ways to put yourself at risk of losing your data is to use email. No, seriously — the sheer number of businesses that face data breaches or get hacked because of an email phishing scam is staggering. So why do we still use email, then?
July 7, 2020
stop spoofing blog

5 Steps to Prevent Email Spoofing

Blog
Imagine you get to work one day, settle down at your desk, and open up your computer to check the news. Then you see it. Your organization’s name is all over the headlines — and it’s not good news. Someone launched an email spoofing attack from your domain, sending phishing emails to people all over the world. And many of them fell for it.
June 23, 2020
insurance

How Phishing Scams Are Using Office 365 to Target Insurance Firms

News
Email is often the first choice for a cybercriminal when they’re launching because it’s so easy to exploit. Unlike brute-force attacks which are heavy on processing power, or more sophisticated methods that require a high level of skill, domain spoofing can be as easy as writing an email pretending to be someone else.
May 13, 2020
Phishing Blog banner 821x308

Types of Email Phishing Attacks

Blog
Email phishing has evolved over the years from gamers sending prank emails to it becoming a highly lucrative activity for hackers across the world.
May 8, 2020
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    Recipient Address Rejected: Access Denied – Causes & Fixes (SMTP 550 5.7.1)May 9, 2025 - 5:53 am
  • All My Emails Are Going to Spam — Here’s What You Can Do About ItMay 1, 2025 - 1:07 pm
  • 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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