Decoding PCI DSS v4.0 and Enhancing Security with DMARC: A Guide

Does your business involve your customers making card payments? If yes, this one is for you! Now that digital payments have become the backbone of most businesses, you cannot afford to let any unauthorized entity snoop in on your transactions or your customers’ card details. They could use this information to unleash havoc on your…

Fixing Google Calendar Invites That Fail DMARC Checks

Google Calendar invites fail DMARC checks when the recipient replies to them, and the response goes back to Google’s servers instead of the sender’s domain. This happens because the ‘From’ address and the originating server don’t match.  This failure also occurs due to the fact that Google uses shared IP addresses to send Google Calendar…

Is Your Google Workspace DKIM Setup Broken?

Deploying and configuring DKIM on Google Workspace is a two-step process, and administrators often skip the second step. In such cases, DKIM and DMARC function properly, and email delivery is not impacted either. However, DKIM doesn’t authenticate emails using your custom domain.  Let’s see what these two steps are and how you can avoid breaking…

Microsoft Plans to Impose a Per Day Limit on Exchange Online Bulk Emails to Reduce Spam

Starting January 1, 2025, Microsoft Exchange Online users will have to change their plans as a limit of 2,000 external recipients per 24 hours will be implemented. This is because the platform was never designed for high-volume transactional emails. So, this decision has been taken with respect to that and not to overburden the resources….

DomainKeys and DKIM Are Slightly Different

DomainKeys and DKIM Are Slightly Different

DomainKeys is an older technology that was combined with Cisco’s Identified Internet Mail (IIM) to develop DKIM—an email authentication protocol that prevents phishing emails sent from your domain from reaching recipients’ primary inboxes. Moreover, DKIM also ensures that nobody tampers with the message in transit.  People often use these terms interchangeably, but let’s figure out…