The post DMARC for GDPR and data privacy compliance: Why email authentication matters for protecting PII? appeared first on DuoCircle.| DuoCircle
In today’s fast-paced digital landscape, managed service providers (MSPs) are constantly searching for new ways to expand their offerings and increase profitability. One of the most effective strategies gaining traction is partnering with MSP reseller programs. These programs allow MSPs to broaden their service portfolio, strengthen client relationships, and unlock fresh revenue streams without […] The post Boosting Revenue With MSP Reseller Programs: What You Need To Know appeared first ...| DuoCircle
If you’ve ever sent a carefully crafted email campaign through SendGrid, only to find it lurking in some unlucky recipient’s spam folder, you know that email deliverability is more art than science—and a little bit of magic. Well, unlike sorcery, improving your email’s chances of landing squarely in the inbox is absolutely doable with […] The post Avoid Email Spam Folders: Configuring SPF Records With SendGrid appeared first on DuoCircle.| DuoCircle
The post Understanding all the elements of a valid DMARC record appeared first on DuoCircle.| DuoCircle
Setting up a robust and reliable Windows email server can feel like deciphering an ancient scroll written by Roy Fielding himself — packed with cryptic protocols and obscure configurations. Yet, with the right guidance, configuring these servers transitions from hair-pulling chaos to an empowering exercise in email mastery. Whether you’re managing an on-premises Microsoft […] The post Configuring Windows Email Servers: Essential Server Settings Explained appeared first on DuoCircle.| DuoCircle
The post Ransomware Hits Hybrid, Data Theft Campaigns, Phishing Targets Companies – Cybersecurity News [August 25, 2025] appeared first on DuoCircle.| DuoCircle
If you’ve ever dealt with email security, chances are you’ve heard of DMARC—short for Domain-based Message Authentication, Reporting & Conformance. But what exactly does it do, and why should you care? Well, imagine your email domain is your digital storefront, bustling with clients and sensitive communications. Without proper email authentication, it’s like leaving your […] The post The Ultimate Guide To Generating A DMARC Record For Your Business appeared first on DuoCircle.| DuoCircle
Migrating to Office 365, or Microsoft 365 as it’s increasingly known, can feel like preparing for a grand adventure through the digital wilderness. You’re trading your familiar desktop-land for the vast expanse of cloud computing — a brave, sometimes bumpy journey. I’ve been down this road more times than I care to count, witnessing […] The post Office 365 Migration Services: Ensuring A Smooth Shift To The Cloud appeared first on DuoCircle.| DuoCircle
The post DMARC alignment basics: Ensuring SPF and DKIM work together appeared first on DuoCircle.| DuoCircle
Email security is one of the most critical aspects of running a professional and trustworthy business. With cyber threats, phishing attempts, and email| DuoCircle
Sometimes your email just doesn’t reach its recipient. You’ve done everything right— crafted the perfect message, sent it to the correct address, and even| DuoCircle
In a world where emails are the primary means of communication, the risk of phishing attacks lurks just one click away. Whether it's a seemingly innocuous| 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| DuoCircle
If you're online, you're a target, and this week proves it once again. Attackers have cloned a popular VPN app, used crypto support tools for phishing, and| DuoCircle
BIMI (Brand Indicators for Message Identification) does one simple task— showing your brand logo next to your emails in the recipients’ inboxes. But getting| DuoCircle
The common ‘DMARC policy not enabled’ error pops up during a reverse DNS lookup, indicating that no valid policy is defined in your domain’s DMARC record.| DuoCircle
SPF, or Sender Policy Framework, is the foundational authentication protocol that tells receiving servers which sources are allowed to send emails on behalf| DuoCircle
This week’s cybersecurity round-up covers serious threats hitting various sectors, including transportation, healthcare, and retail. Key cybersecurity| DuoCircle
Every email sent from your domain needs to be from a clean, legitimate sender. Even a single communication attempt by a threat actor impersonating your brand| DuoCircle
You might be under the impression that the three major email authentication protocols are mutually exclusive. Well, this might be the most common| DuoCircle
Attackers often outsmart the cybersecurity custodians, and a DKIM replay attack is one such technique exploited by them to sign, seal, and send fraudulent| DuoCircle
Phishing protection including spam filtering, outbound SMTP with DKIM, backup MX services, and Advanced Threat Protection. With 24x7 support included.| DuoCircle
The Simple Mail Transfer Protocol (SMTP) server is a communication protocol or the technology behind email communication. In other words, SMTP is the protocol| DuoCircle
As the awareness of threats becomes more widespread, hackers and spammers are upping their game in an attempt to gain access to valuable information. Today’s| DuoCircle
Not sure what a IDN forgery is? Click here and take a look at your browser's address bar... go ahead, I'll wait.| DuoCircle
Outbound SMTP is used to reliably send email from any program with a high level of reliability. Highly reliable outbound SMTP for email clients and servers.| DuoCircle
Advertising-free hosted email - send email from your own domain, with protection from spam, malware and phishing attacks| DuoCircle
Backup MX services help protect your messages when your mail server goes down. Up to 30 days in the queue, unlimited users - full access to logs.| DuoCircle
How fast-growing digital world to make work easy and effective with email forwarding. You will get to know why you should use email forwarding and what its use is.| DuoCircle
Real-time link click protection defends against malicious links in emails every time, on every device, from anywhere.| DuoCircle