Most large-scale businesses own multiple domains and subdomains, which are heavily used for sending emails. A multi-domain environment is more prone to email-based cyber threats. In fact, in a recent attack, malicious actors compromised more than 8,000 subdomains of top brands and institutions, including MSN, VMware, McAfee, The Economist, eBay, etc. While using multiple domains…
Secure email gateways, or SEGs for short, are email security solutions that have been proven effective in detecting and blocking phishing emails. If your email infrastructure is the castle gate of a kingdom, then your secure email gateway is a group of guards equipped with special skills to ward off invaders and unwanted guests (here,…
Brevo is a digital marketing platform that caters to the marketing and communication needs of businesses. Its suite of tools and services includes email marketing, SMS marketing, marketing automation, CRM, landing pages, Facebook ads, and much more. If you use Brevo for email marketing, then deploying SPF, DKIM, and DMARC or making changes to the…
The response from the remote server was: Have you been receiving this error message lately? If so, then your DMARC has an issue – it has encountered a “554 5.7.5 Permanent Error Evaluating DMARC Policy” error when sending emails. This triggers the email delivery process, ultimately causing emails to either land in spam folders or…
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…
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…
SPF delegation is a one-time setup where a domain owner gives control of their SPF record to an external email server or a third-party service to send emails on behalf of the domain. To do this, you have to make some changes to the current SPF, and the revised record has to be published by…
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…
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…
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…
