How to implement To create an SPF record for a domain name, you need to provide the following DNS record in your domain's authoritative name server. example.com. IN TXT “v=spf1 ipv:192.168.100.200 -all” This
Continuing with our skin care example, you know that your customer will need some sunscreen with a high sun protection factor (SPF) to protect their skin. They expressed they want to try a retinol moisturizer, but you know retinoids can irritate many types of skin—not ideal since they have...
How to Set Up and Implement a DMARC Record in DNS To set up a DMARC record, you’ll need to create a TXT DNS record in your domain’s DNS zone. Most hosting providers offer a DNS Zone Editor feature, allowing you to control the DNS records for your domain. It’s important to rem...
When you implement the right email authentication, like SPF, DKIM, and DMARC, you prove that you own the domain that’s sending the mail. If you can prove that, you can put an authenticated logo alongside your verified email to prove that it’s from the correct domain, rather than from...
Strict SPF records: Use “-all” in your SPF record to explicitly deny unauthorized sources. Avoid using “+all” or “?all” as they weaken your SPF protection. Regular key rotation: Rotate your DKIM keys periodically (e.g., every 6-12 months) to enhance security and implement a process...
After reading this article you will be able to create your own SPF TXT record, assuming that you are familiar with DNS and DNS TXT records.
How to Implement DMARCDomain-based Message Authentication, Reporting and Conformance (DMARC) was created to tell a participating receiving email server what to do with a message that fails both SPF and DKIM validation. In other words, what to do if a message claims to be from you, but isn'...
How do I implement DKIM in SendGrid? Once you create a SendGrid account, you’ll be given the option of either implementing manual or automated security. By choosing to implement automated security, SendGridwill manage your SPF and DKIM records for you. By doing this, if you ever make a...
Email service providers implement security measures by default, however, spoofing does not need to bypass them, as SMTP does not require authentication. This technique exploits the human factor rather than security implementations, which makes it far more dangerous. The majority of users do not tend...
Implement email authentication Email spoofing is a foundational strategy of phishing scams. Email authentication protocols exist to limit the ability for hackers to impersonate senders. Email authentication protocols, including Sender Policy Framework (SPF), Domain-Keys Identified Mail (DKIM), and Domain-...