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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)
  • MSP Case Study: How PowerDMARC Became a Game-Changer for HispaColex Tech Consulting - May 26, 2025
  • DMARC MSP Case Study: ImpactQuill Enhances Email Security and Visibility for Clients with PowerDMARC - May 23, 2025
  • DMARC MSP Case Study: 1-MSP Elevates Client Security & Brand Identity with PowerDMARC - May 19, 2025

MSP Case Study: How PowerDMARC Became a Game-Changer for HispaColex Tech Consulting

Success Stories
Discover how PowerDMARC empowered HispaColex Tech Consulting to bolster client email security, enhance customer satisfaction, and gain a competitive edge.
May 26, 2025
ImpactQuill-PowerDMARC

DMARC MSP Case Study: ImpactQuill Enhances Email Security and Visibility for Clients with PowerDMARC

Success Stories
Discover how ImpactQuill launched IQDMARC using PowerDMARC’s white label solution to enhance email security, and boost deliverability for clients.
May 23, 2025
1msp-powerdmarc-success-story

DMARC MSP Case Study: 1-MSP Elevates Client Security & Brand Identity with PowerDMARC

Blog, Success Stories
Discover how 1-MSP used PowerDMARC’s MSP Partner Program to simplify DMARC deployment, enhance email security, and offer branded reports to clients.
May 19, 2025

Microsoft Sender Requirements Enforced — How to Fix “550; 5.7.15 Access Denied” Rejections

Blog
Starting May 5, 2025, Microsoft enforces strict sender requirements. Emails from domains sending over 5,000 messages per day must pass SPF, DKIM, and DMARC checks.—or face the 550 5.7.15 Access Denied error.
April 30, 2025

How to Prevent Spyware?

Blog
Is your email health hurting deliverability? Learn how to fix bounce rates, set up SPF, DKIM, and DMARC, and boost inbox placement with this step-by-step guide.
April 25, 2025
How-to-Set-Up-SPF,-DKIM,-and-DMARC-for-Customer.io

How to Set Up SPF, DKIM, and DMARC for Customer.io

Blog
Learn how to set up SPF, DKIM, and DMARC for Customer.io to boost email deliverability and protect your domain from spoofing.
April 22, 2025
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  • Why Email Aliases Fail DMARC (And How to Fix Them)May 27, 2025 - 2:19 am
  • DMARC for Cold Emails: None, Quarantine, or Reject? (Best Policy for Deliverability)May 22, 2025 - 6:52 am
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    Email Spoofing SecurityMay 21, 2025 - 9:54 am
  • DMARCbis Explained – What’s Changing and How to PrepareMay 19, 2025 - 8:32 am

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