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Resolving DKIM Signature Verification Failures Due to Canonicalization Issues

Resolving DKIM Signature Verification Failures Due to Canonicalization Issues

Legitimate emails sometimes fail DKIM verification because of canonicalization issues. Learn how to resolve these issues by adjusting DKIM canonicalization settings on your email gateway systems.

DeploymentTechnical Guidance

Understanding PTR DNS Resource Records

Understanding PTR DNS Resource Records

PTR records are used to establish a more secure and reliable email delivery system that helps identify what infrastructure is truly sending emails.

DeploymentTechnical Guidance

How to Publish a DMARC Record with GoDaddy

How to Publish a DMARC Record with GoDaddy

For those of you that use GoDaddy as your DNS provider, here are instructions for adding a DMARC record.

DeploymentTechnical Guidance

Understanding and Resolving Gmail and Yahoo Email Error Codes

Understanding and Resolving Gmail and Yahoo Email Error Codes

Starting February, 2024, long established email authentication best practices will become a requirement.

Email Security InsightsEmail TechnologyTechnical Guidance

Understanding Gmail and Yahoo DMARC Requirements

Understanding Gmail and Yahoo DMARC Requirements

Starting February, 2024, long established email authentication best practices will become a requirement.

Ecosystem NewsEmail Security InsightsEmail Technology

Cybersecurity Maturity Model Certification

Cybersecurity Maturity Model Certification

October 30, 2024: The Cybersecurity Maturity Model Certification Program rule will be effective December 16, 2024. With this final rule, DoD establishes CMMC Program to verify contractors have implemented required security measures necessary to safeguard FCI and CUI.

Ecosystem NewsEmail Security Insights

Google Groups Security Vulnerability

Google Groups Security Vulnerability

Recent discussions in the email security ecosystem have highlighted a security loophole concerning Google's handling of emails sent to a Google Group.

Ecosystem NewsEmail Security InsightsEmail Technology

DMARC Prominent in Interagency Phishing Guidance

DMARC Prominent in Interagency Phishing Guidance

CISA, NSA, FBI, and MS-ISAC have released guidance to outline phishing techniques criminals commonly use and to provide recommendations for organizations of all sizes.

Ecosystem NewsEmail Security InsightsEmail Technology

Source Guide: Salesforce

Source Guide: Salesforce

This guide describes the process for configuring Salesforce to send DMARC-compliant messages.

Technical Guidance

DMARC: Foundational Ransomware Defense

DMARC: Foundational Ransomware Defense

DMARC allows people to protect their domains from unauthorized use by fighting ransomware’s attempted delivery by email.

Ecosystem NewsEmail Technology