These days, hackers are getting highly sophisticated with their techniques which has resulted in a higher frequency of successful cyberattacks, including phishing and spoofing. SPF, DKIM, and DMARC are three email authentication protocols that avert hackers from sending fraudulent emails in the name of legitimate businesses. As per the FBI’s 2022-IC3 annual report, 300,497 incidents…
Can you have multiple SPF records for a domain? No, you can’t; otherwise, recipient servers will decline all the existing SPF records for that domain. This will disrupt the email authentication process, causing even genuine emails to land in the spam folder. However, if you need to include multiple SPF records for your domain, you…
It can be a bit confusing to create an SPF record if it’s your first time. This guide on SPF record explanation talks about basic and advanced SPF syntaxes that will help you generate an error-free and properly configured record for your domain. SPF Record Basic Syntax Here SPF record is explained in two categories;…
SPF records for a domain can specify all the IP addresses allowed to send emails on behalf of your company. They work to prevent spoofing and phishing attacks by instructing recipients’ mailboxes to mark unauthorized emails as spam or reject their entries. Before understanding how SPF records work, let’s see what they look like. Here’s…
Sender Policy Framework or SPF prevents phishing and spoofing attacks by enabling domain owners to specify which IP addresses or servers they trust. These authorized IP addresses are enlisted in SPF TXT records. This blog focuses on understanding how to create an SPF TXT record for your domain. What are SPF Records? SPF records are…
Every time you query your DNS, it costs the validator (the recipient’s email system) resources like bandwidth and CPU memory. A maximum limit of 10 DNS lookups is imposed to avoid unreasonable load on the validator. If an SPF record exceeds this limit, SPF too many DNS lookups error or technically called the ‘Permerror’ comes…
