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Knowledge Base

Blog

Expert guides on SPF, DKIM, DMARC, and email security.

Intermediate 5 min

How Does the CIDR Notation Error Affect SPF?

All the IP addresses that you officially allow to be used for sending emails on your behalf are listed in an SPF record.

Intermediate 5 min

Sender Policy Framework Risk Exposures in 2024

Sender Policy Framework is an email authentication protocol that allows a domain owner to publish an SPF record corresponding to their name.

Foundational 5 min

The Role and Relevance of DNS SPF Records for Email Authentication

Email authentication, a crucial practice in today’s digital world, is the process of verifying the true identity of an email sender.

Foundational 5 min

Understanding Homoglyphing: The Craft of Deception in Phishing Attacks

Have you ever come across a URL that seems legitimate at first glance, yet there is something fishy about it?

Foundational 3 min

Impersonation Attacks During Tax Season- Here’s How You Can Protect Yourself

During the tax season, cybercriminals impersonate IRS officials and call taxpayers, scarring them into taking desperate and hasty action.

Advanced 4 min

How Does DNS Packet Fragmentation Affect the Sender Policy Framework?

How Does DNS Packet Fragmentation Affect the Sender Policy Framework? explains SPF record management, sender authentication, troubleshooting steps, and.

Intermediate 8 min

How Does SPF Help Marketers in Improving Email Deliverability?

Imagine a situation where all your well-crafted emails land in your audience’s inbox, and they actively engage with them!

Intermediate 3 min

Why the SPF Character Limit Exists and How Can You Stay Within It?

Why the SPF Character Limit Exists and How Can You Stay Within It? explains SPF record management, sender authentication, troubleshooting steps, and how.

Intermediate 6 min

10 Reasons Why DIY-ing SPF isn’t a Good Choice for Companies

Are you also tempted to take care of the Sender Policy Framework (SPF) on your own?

Intermediate 4 min

How Phishing Paves the Way for Ransomware Attacks?

How Phishing Paves the Way for Ransomware Attacks? explains SPF record management, sender authentication, troubleshooting steps, and how AutoSPF helps.

Foundational 3 min

Middle East is Ahead of other Nations in Adopting SPF, DKIM, and DMARC

The Middle East is outshining other nations with its remarkable commitment to email security.

Advanced 7 min

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.

Intermediate 3 min

Sender Policy Framework Error Code 550- What Prompts it?

Sender Policy Framework allows domain owners to specify all the IP addresses that they allow to be used for sending emails.

Foundational 3 min

The UK’s Central Digital and Data Office Solved a Unique Problem with Sender Policy Framework

AutoSPF · The UK’s Central Digital and Data Office Solved a Unique Problem with Sender Policy Framework In 2022.

Intermediate 5 min

Including Third-Party Vendors in Your SPF Record is Important; Here’s How It’s Done

Businesses outsource many tasks to third-party vendors, and if they send emails on your behalf, it’s important you make them a part of your SPF record.

Intermediate 5 min

AI Automation is Enabling CISOs and Their Teams to Be Quick and Accurate

However, AI is empowering humans to automate easy and voluminous tasks, allowing them to utilize their time and focus on something more concrete to their.

Intermediate 3 min

How to Fix “550 5.7 0 Email Rejected Per SPF Policy”

The SMTP error '550 5.7.0 Email Rejected Per SPF Policy' means the receiving mail server rejected your message because the sending IP failed SPF authentication. Fix it by adding the sender to the SPF record, correcting syntax errors, or resolving a PermError from multiple records or exceeding 10 DNS lookups.

Foundational 6 min

The Emergence of Sender Policy Framework to Combat Email Phishing

Digitization is both a boon and a bane. With the rapid advancements in the technological sphere, there has been a steep rise in spiteful activities.

Intermediate 5 min

What is Gmail's ‘Best Guess’ SPF Status?

Gmail sometimes guesses the SPF status of senders lacking an SPF record published in their domain’s DNS.

Foundational 6 min

6 Steps to Outplay BEC Attackers

Starting the blog on a good note- the second quarter of 2023 celebrated a record low of only 34% of victims paying off to ransomware attackers.

Intermediate 5 min

Understanding How to Fix SPF Failure

Sender Policy Framework or SPF improves the sender’s reputation and email delivery in addition to keeping phishing and spoofing attacks at bay.

Advanced 4 min

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.

Intermediate 5 min

How to Set Up SPF and DKIM Records in GoDaddy?

GoDaddy is a popular hosting provider that offers easy-to-follow instructions on adding SPF and DKIM DNS records to stay abreast of phishing and spoofing.

Intermediate 6 min

How to Merge SPF Records to Fix the ‘Multiple SPF Records’ Error?

It’s a good practice to regularly run your SPF record through a trusted and credible online SPF checker to come across any existing configurational and.

Intermediate 6 min

Email Header Analysis: Let’s Know an Email’s Anatomy

You receive much more than a message and attachments in an email; we are talking about bits of information retrieved during an email header analysis.

Advanced 4 min

Resolving “The DNS Record Type 99 (SPF) Has Been Deprecated” Error

As per RFC 7208 Section 3.1, the developers felt the necessity to assign a new DNS RR type.

Foundational 5 min

Ushering a New Era of Security: Google and Yahoo’s Take on Email Authentication

With email communication reigning in the digital world, email-based attacks are at an all-time high!

Intermediate 6 min

SPF Record Generator : What is it? And, How to Choose the Right One?

This article is for those who have just begun their email authentication journey and are looking for ways to create SPF records for their domains using.

Foundational 7 min

SPF Record Checker : What is it? How Does it Work? And, Why Do You Need One?

An SPF record checker is a diagnostic tool that checks your SPF record to ensure it’s valid and free of syntactical and configurational errors.

Foundational 6 min

What are SPF Records, Their Benefits, Uses, and How to Generate Them

SPF records for a domain can specify all the IP addresses allowed to send emails on behalf of your company.

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