---
title: "Blog - Page 21 of 29 | DMARC Report"
description: "Expert guides on SPF, DKIM, DMARC, email authentication, and deliverability. Learn how to manage SPF records and improve email security."
image: "https://dmarcreport.com/images/og-default.png"
canonical: "https://dmarcreport.com/blog/page/21/"
---

[All](/blog/) [ Foundational ](/foundational/)[ Intermediate ](/intermediate/)[ Advanced ](/advanced/) 

[  Foundational 5 min  Lynx Ransomware Professionalized, Super Bowl Cyberthreats, AI Chatbot Cybercrime Lynx Ransomware Professionalized, Super Bowl Cyberthreats, AI Chatbot Cybercrime from DMARC Report explains practical steps for email authentication, domain.  Jan 31, 2025 ](/blog/lynx-ransomware-professionalized-super-bowl-cyberthreats-ai-chatbot-cybercrime/)[  Foundational 6 min  What is a DKIM signature, and how does it help filter emails? What is a DKIM signature, and how does it help filter emails? from DMARC Report explains practical steps for email authentication, domain protection.  Jan 30, 2025 ](/blog/what-is-dkim-signature-and-how-it-helps-filter-email/)[  Foundational 6 min  Setting Apple Business Mail using Apple Business Connect How to set up Apple Branded Mail in iOS 18.2: configure SPF, DKIM, and DMARC at quarantine or reject, verify a logo in Apple Business Connect, add a TXT record.  Jan 28, 2025 ](/blog/setting-apple-business-mail-using-apple-business-connect/)[  Foundational 4 min  Steps to add SPF, DKIM, and DMARC records to AWS DNS-Route 53 The 10-lookup limit is a resource protection mechanism in RFC 7208, not a security feature, says Adam Lundrigan, CTO of DuoCircle.  Jan 24, 2025 ](/blog/steps-add-spf-dkim-dmarc-records-aws-dns-route53/)[  Foundational 4 min  Trump fires investigators, Microsoft 365 Threats, US Cybersecurity Insufficient Trump fires investigators, Microsoft 365 Threats, US Cybersecurity Insufficient from DMARC Report explains practical steps for email authentication, domain.  Jan 24, 2025 ](/blog/trump-fires-investigators-microsoft-365-threats-us-cybersecurity-insufficient/)[  Foundational 5 min  Yahoo Japan rings in the new year with DMARC adoption DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.  Jan 22, 2025 ](/blog/yahoo-japan-rings-in-the-new-year-with-dmarc-adoption/)[  Foundational 4 min  Google accounts hijacked, Stealers infiltrate YouTube,Woman loses $850K Attackers hijack Google Ads logins via Google Sites, infostealers hide in YouTube comments, and a Frenchwoman loses $850K to a Brad Pitt deepfake scam.  Jan 17, 2025 ](/blog/google-accounts-hijacked-stealers-infiltrate-youtubewoman-loses-850k/)[  uncategorized 4 min  How to find a DKIM selector for your domain? A DKIM selector is a keyword, an ID, or a string that makes a DKIM key unique. It’s generated by appending the selector to your sending domain.  Jan 16, 2025 ](/blog/how-to-find-a-dkim-selector-for-your-domain/)[  Foundational 8 min  What best practices should you follow for seamless Privileged Account and Session Management? What best practices should you follow for seamless Privileged Account and Session Management?: The organizations that invest in email authentication early.  Jan 13, 2025 ](/blog/best-practices-seamless-privileged-account-session-management/)[  Foundational 5 min  Packers Fans Scammed, Pentagon Bans Tencent, Telecom Namibia Targeted Packers Fans Scammed, Pentagon Bans Tencent, Telecom Namibia Targeted from DMARC Report explains practical steps for email authentication, domain protection.  Jan 10, 2025 ](/blog/packers-fans-scammed-pentagon-bans-tencent-telecom-namibia-targeted/)[  Foundational 3 min  Setting SPF, DKIM, and DMARC for Omnisend DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.  Jan 10, 2025 ](/blog/setting-spf-dkim-and-dmarc-for-omnisend/)[  Foundational 4 min  Water Sector Targeted, Essential Ai Security, Trump Cybersecurity Shifts Water Sector Targeted, Essential Ai Security, Trump Cybersecurity Shifts from DMARC Report explains practical steps for email authentication, domain.  Jan 3, 2025 ](/blog/water-sector-targeted-essential-ai-security-trump-cybersecurity-shifts/)[  Foundational 4 min  LockBit ransomware dismantled, Google tricked AI, Email platform threatened LockBit ransomware dismantled, Google tricked AI, Email platform threatened from DMARC Report explains practical steps for email authentication, domain.  Dec 24, 2024 ](/blog/lockbit-ransomware-dismantled-google-tricked-ai-email-platform-threatened/)[  Foundational 5 min  Europol DDoS Operation, Texas Data Breach, Dubai Police Impersonated Europol DDoS Operation, Texas Data Breach, Dubai Police Impersonated from DMARC Report explains practical steps for email authentication, domain protection.  Dec 20, 2024 ](/blog/europol-ddos-operation-texas-data-breach-dubai-police-impersonated/)[  Foundational 4 min  Why do traditional cybersecurity solutions fall short against modern, sophisticated cyberattacks? Why do traditional cybersecurity solutions fall short against modern, sophisticated cyberattacks? from DMARC Report explains practical steps for email.  Dec 13, 2024 ](/blog/why-do-traditional-cybersecurity-solutions-fall-short-against-modern-sophisticated-cyberattacks/)[  Foundational 4 min  Middlesbrough Council Targeted, Interpol Cyber Operation, Unaware Employees Risk Middlesbrough Council Targeted, Interpol Cyber Operation, Unaware Employees Risk from DMARC Report explains practical steps for email authentication, domain.  Dec 12, 2024 ](/blog/middlesbrough-council-targeted-interpol-cyber-operation-unaware-employees-risk/)[  Foundational 8 min  9 technologies to protect your emails from cyber actors 9 technologies to protect your emails from cyber actors from DMARC Report explains practical steps for email authentication, domain protection.  Dec 10, 2024 ](/blog/9-technologies-to-protect-your-emails-from-cyber-actors/)[  Foundational 4 min  Getting started with BIMI for Zoho Mail BIMI (Brand Indicators for Message Identification) displays a brand's verified logo next to authenticated emails in supporting clients.  Dec 6, 2024 ](/blog/getting-started-with-bimi-for-zoho-mail/)[  Foundational 4 min  Cybercrime Network Dismantled, CBI Investigates Cyberfraud, CISA Stops Hacking Cybercrime Network Dismantled, CBI Investigates Cyberfraud, CISA Stops Hacking from DMARC Report explains practical steps for email authentication, domain.  Dec 6, 2024 ](/blog/cybercrime-network-dismantled-cbi-investigates-cyberfraud-cisa-stops-hacking/)[  Foundational 3 min  5 key contributors to DMARC’s development DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.  Dec 4, 2024 ](/blog/5-key-contributors-to-dmarcs-development/)[  Foundational 4 min  Cybersecurity threatens water, Android users warned, Mexico faces cyberattacks It’s already week four of November, and the holidays are just around the corner. Leniency at workplaces is already resulting in increased cases of cyberattacks.  Nov 28, 2024 ](/blog/cybersecurity-threatens-water-android-users-warned-mexico-faces-cyberattacks/)[  Foundational 5 min  Understanding the gaps in the global cybersecurity landscape in 2024 2024 cybersecurity gaps: a widening skills shortage, AI-fueled attacks outpacing defenses, weak IoT controls, flat security budgets, and how to close them.  Nov 27, 2024 ](/blog/understanding-the-gaps-in-the-global-cybersecurity-landscape-in-2024/)[  uncategorized 3 min  Why is it optional to receive DMARC aggregate and forensic reports? DMARC Report Why is it optional to receive DMARC aggregate and forensic reports?  Nov 26, 2024 ](/blog/why-receiving-dmarc-aggregate-and-forensic-reports-is-optional/)[  Foundational 4 min  Akira flaunts victims, Idaho targets orthodontist, AI granny protects Akira flaunts victims, Idaho targets orthodontist, AI granny protects from DMARC Report explains practical steps for email authentication, domain protection.  Nov 22, 2024 ](/blog/akira-flaunts-victims-idaho-targets-orthodontist-ai-granny-protects/)[  uncategorized 6 min  What is typosquatting, and how is it used for phishing and impersonation attacks? DMARC Report What is typosquatting, and how is it used for phishing and impersonation attacks?  Nov 20, 2024 ](/blog/what-is-typosquatting-used-for-phishing-impersonation-attacks/)[  uncategorized 5 min  DMARC enforcement and monitoring The effectiveness of DMARC hinges on two of its core components, DMARC enforcement and DMARC monitoring.  Nov 19, 2024 ](/blog/dmarc-enforcement-and-monitoring/)[  Foundational 4 min  Vendor Causes Breach, Texas Supplier Hacked, Nokia Investigates Breach Amazon employee data exposed via the 2023 MOVEit flaw CVE-2023-34362, Texas oilfield firm Newpark files a ransomware 8-K, and Nokia probes IntelBroker's claims.  Nov 15, 2024 ](/blog/vendor-causes-breach-texas-supplier-hacked-nokia-investigates-breach/)[  uncategorized 3 min  4 situations in which you should use the DMARC’s p=none policy 4 situations in which you should use the DMARC’s p=none policy  Nov 13, 2024 ](/blog/4-situations-when-to-use-dmarc-p-none-policy-effectively/)[  Foundational 8 min  What is DMARC compliance and how can you achieve it? DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.  Nov 11, 2024 ](/blog/what-is-dmarc-compliance-and-how-can-you-achieve-it/)[  uncategorized 3 min  External DNS records required for SPF in Microsoft 365 External DNS records required for SPF in Microsoft 365  Nov 8, 2024 ](/blog/external-dns-records-required-for-spf-in-microsoft-365/)

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