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Tanya TarasenkoWhat Is a DMARC Policy? None, Quarantine, and Reject Explained

What Is a DMARC Policy? None, Quarantine, and Reject Explained

July 31, 2026

Email domain spoofing allows attackers to send fraudulent messages that appear to come from a legitimate company. These emails may be used to steal credentials, distribute malicious content, impersonate executives, or deceive customers into transferring money.

# DMARC
Tanya TarasenkoWhat Is a DKIM Signature and Why Does It Matter for Email Security?

What Is a DKIM Signature and Why Does It Matter for Email Security?

July 29, 2026

A DKIM signature is one of the most important parts of email authentication. It helps receiving mail servers check if an email was really authorized by the domain that sent it and if the message was changed after being sent.

# SPF & DKIM
Tanya TarasenkoEmail Security for Fintech: How DMARC Reduces Spoofing Risk

Email Security for Fintech: How DMARC Reduces Spoofing Risk

July 23, 2026

Financial services companies depend on email for some of their most sensitive interactions. Banks send account alerts, payment confirmations, statements, security notifications, and password-reset messages. Fintech platforms use email for customer onboarding, identity verification, loan updates, investment notifications, and support conversations.

# DMARC
Khrystyna SliusarDMARC for Cold Email: Authentication Best Practices for B2B Sales Teams

DMARC for Cold Email: Authentication Best Practices for B2B Sales Teams

July 21, 2026

You can have the perfect outbound email strategy, but if mailbox providers don't trust your domain, prospects never see your offer.

# DMARC
Tanya TarasenkoParked Domains: Uses, Risks, and Best Practices

Parked Domains: Uses, Risks, and Best Practices

July 15, 2026

A parked domain is a registered domain name that is not currently being used for a full website, active application, or regular email communication. Instead of showing a complete website, it may display a placeholder page, a “coming soon” message, a for-sale notice, ads, or it may redirect visitors to another domain.

# DMARC
Yulia GulevichSPF vs DKIM vs DMARC: What They Mean and Why You Need All Three

SPF vs DKIM vs DMARC: What They Mean and Why You Need All Three

July 3, 2026

SPF, DKIM, and DMARC are the three core protocols that help receiving mail servers verify whether an email is legitimate. Each one solves a different part of the problem. SPF checks whether a server is allowed to send mail for a domain. DKIM verifies that a message was signed by an authorized domain and was not changed after signing. DMARC connects SPF and DKIM to the visible From domain and tells receivers what to do when authentication fails.

# DMARC
Yulia GulevichHow to Set up DMARC for a Domain: Quick 3-Step Guide

How to Set up DMARC for a Domain: Quick 3-Step Guide

July 2, 2026

Setting up DMARC is one of the most important steps for protecting your domain from spoofing, phishing attempts, and unauthorized email use. However, publishing a DMARC record is only the beginning. A proper DMARC setup requires three steps: creating the record, adding it to your DNS, and monitoring the reports to understand who is sending email from your domain.

# DMARC
Yulia GulevichWhy Your SaaS Emails Land in Spam (And the Authentication Records That Fix It)

Why Your SaaS Emails Land in Spam (And the Authentication Records That Fix It)

June 25, 2026

You built the product. The signup form works, the database is humming, and payments are wired up through Stripe. Then you launch and conversion is mysteriously low. People sign up, but never confirm. Trial users say they never got the welcome email. A customer insists they paid, but your records show the invoice as unpaid.

# SPF & DKIM
Yulia GulevichDMARC Failure: Why Does DMARC Fail and How to Fix It?

DMARC Failure: Why Does DMARC Fail and How to Fix It?

June 24, 2026

It is concerning when your messages fail DMARC authentication, especially when your organization extensively relies on email for both internal and external communications. However, there are techniques and tools that can help you diagnose and prevent DMARC failures.

# DMARC
Yulia GulevichWhat Is the DMARC sp Tag? DMARC Subdomain Policy Explained

What Is the DMARC sp Tag? DMARC Subdomain Policy Explained

June 17, 2026

Email spoofing doesn't only target your primary domain. Attackers frequently abuse subdomains to impersonate, launch phishing campaigns, and damage brand reputation. While many businesses focus on protecting their root domain with DMARC, they often overlook the security of subdomains.

# DMARC