• Platform
      • Hosted services
        • Hosted DMARC
        • Hosted SPFPopular
        • Hosted DKIM
        • Hosted MTA-STS
        • Hosted BIMI
      • Reporting
        • DMARC Reporting
        • TLS-RPT Reporting
      • DMARC Platform Features
      • Reputation Monitoring
      • AI Driven Threat Intelligence
      • API & Developer Tools

      Take a quick interactive tour of PowerDMARC

      Start Self Service Tour

  • Tools
      • DMARC
        • DMARC Checker
        • DMARC Generator
      • BIMI
        • BIMI Checker
        • BIMI Generator
        • BIMI SVG Logo Convertor
      • SPF
        • SPF Checker
        • SPF Generator
      • MTA-STS & TLS-RPT
        • MTA-STS &TLS-RPT Checker
        • MTA-STS &TLS-RPT Generator
      • DKIM
        • DKIM Checker
        • DKIM Generator
      • Others
        • Domain Security Checker
        • DNSSEC Checker

      Explore all Tools

  • Pricing
  • MSP Program
  • Services
      • Deployment Services
      • Email Service Provider Compliance Services
      • Threat Intelligence Service Feeds
      • Managed Services
      • Support Services

      Ready to protect your domain?

      Request a Free Demo

  • Resources
      • Blog
        • DMARC
        • Cyber Security
      • DMARC Statistics
        • DMARC By Country
        • DMARC By Industry
      • Learn
        • Getting started
        • Source Alignments
      • Datasheets
        • Case Studies
        • Success Stories
      • Training Academy
        • Become a DMARC expert
      • Support


      Explore our Youtube Channel

  • Company
      • About
      • Clients
      • Careers
      • Clients’ Reviews
      • Need some help? Contact us

      • Events
      • Trust Centre

  • Sign In
  • Sign Up
  • Contact Us
  • Platform
      • Hosted services
        • Hosted DMARC
        • Hosted SPFPopular
        • Hosted DKIM
        • Hosted MTA-STS
        • Hosted BIMI
      • Reporting
        • DMARC Reporting
        • TLS-RPT Reporting
      • DMARC Platform Features
      • Reputation Monitoring
      • AI Driven Threat Intelligence
      • API & Developer Tools
  • Tools
      • DMARC
        • DMARC Checker
        • DMARC Generator
      • BIMI
        • BIMI Checker
        • BIMI Generator
        • BIMI SVG Logo Convertor
      • SPF
        • SPF Checker
        • SPF Generator
      • MTA-STS & TLS-RPT
        • MTA-STS &TLS-RPT Checker
        • MTA-STS &TLS-RPT Generator
      • DKIM
        • DKIM Checker
        • DKIM Generator
      • Others
        • Domain Security Checker
        • DNSSEC Checker
  • Pricing
  • MSP Program
  • Services
      • Deployment Services
      • Email Service Provider Compliance Services
      • Threat Intelligence Service Feeds
      • Managed Services
      • Support Services
  • Resources
      • Blog
        • DMARC
        • Cyber Security
      • DMARC Statistics
        • DMARC By Country
        • DMARC By Industry
      • Learn
        • Getting started
        • Source Alignments
      • Datasheets
        • Case Studies
        • Success Stories
      • Training Academy
        • Become a DMARC expert
      • Support
  • Company
      • About
      • Clients
      • Careers
      • Clients’ Reviews
      • Events
      • Trust Centre
  • Contact Us
  • Sign In
  • Sign Up
  • Home 1
  • 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 Role of Email Protocols in Email Security

The Role of Email Protocols in Email Security

Blog
Email protocols define the rules and procedures for sending and receiving email messages.
April 10, 2023
How to perform an Email Analysis

How to perform an Email Analysis?

Blog
An email analysis can help you collect data to improve your marketing efforts, analyze gaps in email security and pick up on spoofing attempts.
April 10, 2023
What is Barrel Phishing and how to prevent it

What is Barrel Phishing and How to Prevent it?

Blog
Barrel phishing attacker sends an email to large groups of people, hoping that at least some will click on the malicious attachment or link.
April 10, 2023
Understanding the Impact of IP DDoS Attacks on Networks and Systems

Understanding the Impact of IP DDoS Attacks on Networks and Systems

Blog
IP DDoS attacks flood a target's network or system with traffic from multiple sources.
April 10, 2023
What is Envelope to in DMARC Aggregate Reports

What is Envelope to in DMARC Aggregate Reports?

Blog
The DMARC Envelope to column on the PowerDMARC dashboard provides information about the recipient's email service provider (ESP) type.
April 4, 2023
How to authenticate email

How to Authenticate Emails?

Blog
To authenticate email you as a domain owner must implement email authentication protocols like DMARC, DKIM and SPF.
March 28, 2023
Page 37 of 77«‹3536373839›»

Secure Your Email

Stop Email Spoofing and Improve Email Deliverability

15-day Free trial!


Search Search

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

Categories

  • Blog
  • Cybersecurity
  • DKIM
  • DMARC
  • Email Security
  • ESP Alignment
  • News
  • Press Releases
  • SPF
  • Success Stories
logo footer powerdmarc
G2 100 G2-Spring
SOC2 GDPR PowerDMARC GDPR comliant sourceforge
global cyber alliance certified powerdmarc csa

Tools

DMARC Generator
DMARC Checker
SPF Generator
SPF Lookup
DKIM Generator
DKIM Lookup
BIMI Generator
BIMI Lookup
FCrDNS Lookup
TLS-RPT Checker
MTA-STS Checker
TLS-RPT Generator
DNSSEC Checker

Product

Self Guided Demo
Product Tour
Features
PowerSPF
PowerBIMI
PowerMTA-STS
PowerTLS-RPT
PowerAlerts
Reputation Monitoring
API Documentation

Company

Support
Blog
Book a 1:1 Demo
Self Guided Demo
Reseller Program
Write for Us
Feature Request
Change Log
System Status
Change Cookie Preferences

  • Français
  • Nederlands
  • Deutsch
  • Русский
  • Polski
  • Español
  • Italiano
  • 日本語
  • Português
  • 한국어
© PowerDMARC is a registered trademark.
  • Link to Xing
  • Link to Youtube
  • Link to LinkedIn
  • Link to Facebook
  • Link to Instagram
  • Terms & Conditions
  • Privacy Policy
  • DPF Privacy Policy
  • Cookie Policy
  • GDPR Notice
  • Compliance
  • Security Policy
Scroll to top