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  • Authors
  • Ahona Rudra
  • About
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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
Cyber Resilience and DMARC

Cyber Resilience and DMARC

Blog
Cyber resilience builds on the baseline of good cyber security practices by addressing businesses' ability to withstand, recover and counter cyber threats. Make DMARC a part of your company’s cyber resilience framework.
April 7, 2022
Can I configure DMARC without SPF

Can I configure DMARC without SPF?

Blog
Yes, you can set up DMARC without SPF. It is a possibility that you can explore, that a lot of vendors and domain owners do exercise in real-time.
January 31, 2022
Email Security in 2021 at a glance with PowerDMARC

Email Security in 2021 at a glance with PowerDMARC

Blog
We are looking back at the major email security attacks of 2021, talking about what the future holds, and sharing some handy tips on tackling threats in 2022.
January 26, 2022
Beware of Omicron variant email phishing scams

Beware of Omicron-variant email phishing scams in 2022!

Blog
Beware of fake Omicron-variant PCR test kits in this new 2022 email phishing attack! Public-health service sectors warn civilians of this alarming new phishing lure.
January 20, 2022
phishing and spoofing

How to improve your defenses against phishing and spoofing?

Blog
DMARC, SPF and DKIM can help you defend your domain against phishing and spoofing attacks, and other forms of online threats. We help you onboard the protocols with ease to bypass these attacks without compromising on deliverability.
December 24, 2021
DMARC vs SPF

DMARC Vs SPF

Blog
This is the ultimate comparison between SPF and DMARC. Let’s get started with email authentication easily!
November 12, 2021
Page 67 of 77«‹6566676869›»

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Latest Blogs

  • Recipient-Address-Rejected
    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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