Troubleshooting the ‘SPF alignment failed’ error for unaffected email authentication and delivery

Troubleshooting the ‘SPF alignment failed’ error for unaffected email authentication and delivery

When you create an SPF record, the most important step you perform is mentioning all the mail servers or IP addresses allowed to send emails as your brand’s representatives. So, when the domains in the ‘From’ address and the ‘Envelope From’ address, also known as ‘Return-Path;’ match, SPF alignment passes. In simpler words, SPF alignment…

Reasons for Code 550 SPF Check Failed Error and How to Fix it?

Domain owners may often come across the ‘550 SPF check failed’ error, which is generally triggered by the absence of a valid SPF record in the domain’s DNS. It also occurs if there is an invalid record present in the DNS of your domain.  It’s a configurational error that can be fixed at the sender’s…

Setting Up Sender Policy Framework for Amazon SES

Amazon Simple Email Service, or SES, is a cloud-based email-sending service developed for businesses that send marketing, notification, and transactional emails. Regardless of the types of emails you send, it’s crucial to protect them from threat actors. Without proper protection, illegitimate emails sent on your behalf could end up in the inboxes of recipients, potentially…

New Update: DMARC to be Mandatory for PCI DSS Compliance by 2025 

New Update: DMARC to be Mandatory for PCI DSS Compliance by 2025 

Here’s a harsh truth- your customers’ card transactions are not as secure as you might think. Even though card payments have opened up new avenues in the business world, there exists a problem! This payment method puts your customers at risk of credit card theft and jeopardizes the credibility of your business. Given the current…

How Does DNS Packet Fragmentation Affect the Sender Policy Framework?

For network administrators, understanding DNS packet fragmentation is crucial. When a DNS response packet is large and unable to fit within the MTU size, it’s divided into smaller fragments. MTU, or the maximum transmission unit, is the largest size of a packet or frame that can be sent across a data link. This process affects…

What is an SPF Record Flattener and Why Should you Consider Using it for Your Domain?

If your domain is already protected with the Sender Policy Framework (SPF) and you regularly update and monitor your SPF records, then we are sure you must be aware of the SPF lookup limit. But do you know how to get rid of this problem and stay within the lookup limit to avoid invalidation of…

When Should You Rotate Your DKIM Keys?

DKIM key rotation is an important security measure that ensures your DKIM records and email ecosystem aren’t exploited for long if keys are compromised. While the frequency of rotation depends on the nature of your organization, the complexity level of your email infrastructure, the availability of resources, etc., it’s suggested that you rotate them at…

SPF Best Practices for Protection Against Email Spoofing and Phishing; A Guide for CISOs

Emails are important yet one of the most vulnerable strings of corporate communication. Not to forget how AI-written sophisticated emails are making it more challenging for CISOs to deploy filters to detect and burn illegitimate emails. Gone are the days when detecting poor grammar, inconsistencies, unprofessional graphics, etc., was enough to tag an email as…

How do you set up SPF and DKIM for Shopify?

Shopify is an e-commerce platform based out of Canada, and if you have an online store listed on it, then adding SPF and DKIM records is important. This ensures no unauthorized entity sends spoofed emails on your behalf to fool recipients into sharing personal and financial details.  You can test your email address by sending…