Cloudflare’s new SPF, DKIM, and DMARC requirements

Cloudflare’s new SPF, DKIM, and DMARC requirements

 

Starting July 3, 2025, Cloudflare requires all emails to be authenticated using at least one of the protocols. SPF or DKIM, to forward them. This requirement has been imposed in consideration of the growing number of email-based phishing and spoofing attacks. These email authentication protocols ensure that only authorized emails reach the inboxes of recipients, thereby preventing them from being manipulated into transferring money or sharing confidential information. 

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How to Setup DKIM for Your Domain: A Complete Email Authentication Guide

How to Setup DKIM for Your Domain: A Complete Email Authentication Guide

 

Email communication has become a vital part of our daily lives, especially for businesses. But did you know that a simple yet crucial security feature can help protect your emails from being tampered with or falsely represented? That’s where DKIM (DomainKeys Identified Mail) comes in. This method adds a digital signature to your email, giving both you and your recipients peace of mind that messages are authentic and safe.

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How to avoid email authentication failures when sending messages to Microsoft 365 users?

How to avoid email authentication failures when sending messages to Microsoft 365 users?

How to avoid email authentication failures when sending messages to Microsoft 365 users?

by DuoCircle

 

If you are struggling with disappearing emails or deliverability drops when targeting Microsoft 365 users, then it’s an indication of an underlying issue— misconfigured or missing email authentication protocols. 

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Understanding SPF Record Syntax: Ensure Email Security with Proper Configuration

Understanding SPF Record Syntax: Ensure Email Security with Proper Configuration

 

Email has become a central tool for communication, but with its convenience comes the risk of impersonation and spam. Many people don’t realize that proper email setup is crucial to keep their messages safe and trusted. One of the best ways to protect your domain from being misused is through an SPF record. Think of it as a security badge that tells other mail servers which addresses are allowed to send emails on your behalf. 

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Hackers Exploit Shellter, Anatsa Trojan Spreads, Pull Request Breach – Cybersecurity News [July 07, 2025]

Hackers Exploit Shellter, Anatsa Trojan Spreads, Pull Request Breach – Cybersecurity News [July 07, 2025]

Hackers Exploit Shellter, Anatsa Trojan Spreads, Pull Request Breach – Cybersecurity News [July 07, 2025]

by DuoCircle

 

This week’s cyber world feels like a game of digital whack-a-mole, where every time defenders squash one threat, another pops up somewhere else. There are hackers sneaking malware into trusted tools, trojans hiding in mobile apps, and cybercriminals hijacking search results and online ads. From leaked security software fueling new attacks to crafty scams riding the wave of AI buzz, cybercriminals are proving they’ll exploit anything. Here’s how they’ve been keeping security teams on their toes!

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How to pass Microsoft’s email authentication requirements?

How to pass Microsoft’s email authentication requirements?

How to pass Microsoft’s email authentication requirements?

by DuoCircle

 

If your company’s mailboxes are in Exchange Online, Microsoft requires you to take email protection seriously. You are liable for protecting the integrity of email messages from senders in your domain. Your recipients should be confident enough to open emails from your domain, knowing you have already taken the measures to ward off phishing and spoofing attempts.

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DMARC is now mandatory in New Zealand: Here’s what the NZ government expects

DMARC is now mandatory in New Zealand: Here’s what the NZ government expects

DMARC is now mandatory in New Zealand: Here’s what the NZ government expects

by DuoCircle

 

Most countries have already made DMARC enforcement mandatory, especially for government agencies (after all, that’s where the real threats lie). But New Zealand wasn’t on this list until now! 

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Fake Wallet Extensions, Qantas Hack Revealed, ICC Cyberattack Unveiled– Cybersecurity News [June 30, 2025]

Fake Wallet Extensions, Qantas Hack Revealed, ICC Cyberattack Unveiled– Cybersecurity News [June 30, 2025]

Fake Wallet Extensions, Qantas Hack Revealed, ICC Cyberattack Unveiled– Cybersecurity News [June 30, 2025]

by DuoCircle

 

This week’s cybersecurity round-up brings you stories you need to know, from fake crypto wallets lurking in Firefox to major breaches hitting airlines, global courts, and healthcare groups. We’ll see how threat actors are shifting from traditional tactics and which new threats are on the radar.

Stay digitally safe and well-informed about your personal information security!

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Why Email Marketing Software Beats Manual Campaigns

Why Email Marketing Software Beats Manual Campaigns

As we move further into the digital age, there is a growing appetite for brands to build a relationship with their audience by reaching them with personalized communication. Email marketing is a powerful weapon, but most people have never been able to figure out how to conduct email campaigns manually or with high-end tools. Once organizations understand why email marketing software works better than manual efforts, they can redirect their efforts into more effective ways.

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How does DMARC improve email deliverability?

How does DMARC improve email deliverability?

When it comes to B2B and B2C business communications, email plays a crucial role as a core communication channel. From running marketing campaigns to offering customer support, from notifying customers with transactional details to engaging them one-on-one with newsletters and emails, they do it all for your business. 

 

But what if these emails do not reach your audience at all? Poor email deliverability can not only affect your day-to-day business operations but also tarnish your brand reputation. This is exactly why you need DMARC to enhance your email deliverability.

Let’s find out how your email deliverability is dependent on DMARC.

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