Foundational
Does Squarespace Use DKIM for Email Authentication?
Learn whether Squarespace uses DKIM for email authentication, how DKIM works, and how it helps verify emails and improve domain security.
Foundational
Start here if you're new to email authentication. These guides cover the basics of SPF records, DKIM signatures, DMARC policies, and how they work together to protect your email deliverability.
139 articles
Foundational
How to Check if Your Domain Is on an Email Blocklist
Check if your domain is on an email blocklist, understand why it was listed, and learn how to remove it to improve email deliverability.
Foundational
Phishing or Pharming? The Key Differences Every Email User Should Know
Learn the key differences between phishing and pharming, including attack methods, warning signs, DNS threats, and practical ways to stay protected.
Foundational
Honey Trap Scams Explained: How Social Engineering Targets Email Users
Learn how honey trap scams use social engineering, phishing, and emotional manipulation to target email users, plus practical tips to stay protected.
Foundational
How to Set Up an SPF Record for beget.ru
Learn how to set up an SPF record for beget.ru, configure DNS correctly, and improve email authentication, security, and deliverability.
Foundational
Baiting Attacks Explained: Email Risks and Prevention
Learn how baiting attacks exploit human curiosity through malicious emails, fake rewards, and downloads, plus prevention tips using SPF, DKIM, and DMARC.
Foundational
How to Set Up DKIM in Google Workspace: Step-by-Step Guide
Learn how to set up DKIM in Google Workspace with this step-by-step guide to authenticate emails, improve deliverability, and protect your domain from spoofing.
Foundational
How to Add webmailer.perfora.net to Your IONOS SPF Record
Learn how to add webmailer.perfora.net to your IONOS SPF record to improve email authentication, prevent spoofing, and support reliable email delivery.
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DNS NS Records Explained: Function, Setup, and SPF Examples
Learn what DNS NS records are, how they work, and how to manage nameservers, delegation, reliability, and SPF records for proper DNS resolution.
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When should I run an A record lookup as part of troubleshooting my DNS problems?
Run an A record lookup when troubleshooting DNS issues involving domain-to-IP resolution, website access, server connectivity, or unexpected DNS responses.
Foundational
Rocketseed Login and SPF Setup: A Step-by-Step Guide
Rocketseed login and SPF setup made easy with this step-by-step guide. Learn how to configure SPF correctly and improve email authentication.
Foundational
Dumpster Diving in Cybersecurity: How Discarded Data Becomes a Security Risk
Learn how dumpster diving exposes sensitive data and creates cybersecurity risks, from identity theft and phishing to social engineering and data breaches.
Foundational
How to Set Up SPF for BlueHornet: A Complete Guide
Set up SPF for BlueHornet with this complete guide. Learn how to configure SPF correctly, improve email deliverability, and prevent spoofing.
Foundational
How to Add an SPF Record in 20i: A Step-by-Step Guide
Learn how to add, verify, and troubleshoot an SPF record in 20i to improve email authentication, security, and deliverability.
Foundational
How to Detect Fake Order Confirmation Email Scams Before You Click
Learn how to spot fake order confirmation email scams, verify purchases safely, avoid phishing links, and protect your accounts from fraud and identity theft.
Foundational
How to Set Up SPF for a QQ Domain with QQ Mail: A Step-by-Step Guide
Learn how to set up SPF for a QQ domain with QQ Mail. Follow this step-by-step guide to configure, verify, and improve email authentication.
Foundational
How to Set Up a SiteGround SPF Record: A Step-by-Step Guide
Learn how to set up a SiteGround SPF record step by step to improve email authentication, prevent spoofing, and boost email deliverability.
Foundational
Is the Google Security Alert Real? How to Verify Critical Security Alert Emails
Learn how to verify if a Google Security Alert is real, spot phishing emails, and protect your Google Account from fake security notifications.
Foundational
Why Do Cyber Attackers Use Social Engineering? Risks, Detection, Prevention, and Best Practices
Learn why cyber attackers use social engineering, common tactics, warning signs, prevention strategies, and best practices to reduce phishing and cyber risks.
Foundational
What Is A Minimal SPF Record Example For Domains That Only Send Mail From One IP Address?
Learn a minimal SPF record example for domains that send email from one IP address and set up simple, accurate SPF authentication to improve deliverability.
Foundational
How Computer Worms Spread Without User Action—and How to Stop Them
Learn how computer worms spread without user action, common infection methods, warning signs, and proven steps to prevent email worm attacks.
Foundational
What Does the Blue Check Mark Mean? A Complete Guide to Gmail, Google & Social Media
Learn what the blue check mark means in Gmail, Google, and social media, how verification works, and why it matters for trust, security, and authenticity.
Foundational
What Is Domain Connect Protocol? A Complete Guide to Easier DNS Configuration
Learn what Domain Connect Protocol is, how it simplifies DNS configuration, speeds domain setup, and improves email authentication and website integration.
Foundational
How To Set Up SPF For Justhost.com
Learn how to set up SPF for JustHost.com to authorize email senders, improve email deliverability, and protect your domain from spoofing.
Foundational
Complete Guide To Setting Up SPF For Ontramail
Learn how to set up SPF for Ontramail step by step to improve email authentication, boost deliverability, and protect your domain from spoofing.
Foundational
How To Set Up SPF For Infusionmail?
Learn how to set up SPF for InfusionMail to authenticate emails, improve deliverability, prevent spoofing, and reduce the risk of emails landing in spam.
Foundational
Klaviyo SPF, DKIM & DMARC Setup: Complete Guide
Set up SPF, DKIM, and DMARC for Klaviyo the right way to boost deliverability and stop spoofing - a step-by-step Klaviyo authentication guide.
Foundational
How to Configure SPF for Stackmail
Learn how to configure SPF for Stackmail to improve email authentication, reduce spoofing risks, and enhance email deliverability.
Foundational 14 min
SPF Errors and Troubleshooting Guide: Fix Every SPF Failure
A complete guide to diagnosing and fixing every type of SPF error - PermError, TempError, 550 rejections, alignment failures, broken records, and syntax mistakes. Covers root causes, step-by-step fixes, and tools for ongoing monitoring.
Foundational 7 min
Best Free SPF Checker Tools in 2026: Detailed Comparison
A side-by-side comparison of the 8 best free SPF record checker tools in 2026 - AutoSPF, MxToolbox, dmarcian, EasyDMARC, DMARCLY, PowerDMARC, Mailtrap, and DNS Checker. Each tool tested against the same domain with real results.
Foundational 8 min
SPF Record Examples: Copy-Paste Records for Google, Microsoft 365, SendGrid & More (2026)
Copy-paste SPF TXT records for the 10 most common email vendor combinations. Each example shows the exact DNS record, the lookup count, and what to watch out for.
Foundational 10 min
What Is RFC 7208? Understanding The SPF Standard Behind Email Authentication
RFC stands for Request for Comments, a series of documents used by the Internet community to publish technical guidelines, protocols.
Foundational 12 min
SPF Lookup in 2026: Best Practices for Secure Email Authentication
In 2026, the best practices for secure SPF lookups are to keep SPF within the 10-DNS-lookup limit by optimizing and (selectively) flattening includes.
Foundational 7 min
How to avoid spam and phishing emails in your inbox
Spam and phishing emails are no longer just a minor inconvenience sitting quietly in your junk folder.
Foundational 7 min
General email authentication and sender requirements for WooCommerce
WooCommerce stores rely heavily on email for everyday operations, from order confirmations and shipping updates to password resets and marketing campaigns.
Foundational 12 min
What are the common causes shown in an SPF record breakdown that lead to SPF failures?
The most common causes shown in an SPF record breakdown that lead to SPF failures are syntax/format errors (missing v=spf1, malformed mechanisms.
Foundational 11 min
What Happens To My Email Deliverability If My SendGrid SPF Record Is Missing Or Misconfigured?
If your SendGrid SPF record is missing or misconfigured, recipient servers will treat your messages as unauthenticated.
Foundational 13 min
How can I use an SPF record tester to check if my domain's SPF is configured correctly?
Enter your domain or paste its v=spf1 TXT into an SPF record tester, run a full syntax + DNS-expansion check against a chosen sending IP and identities.
Foundational 14 min
How can I interpret the "pass", "fail", and "neutral" results from an SPF checker?
An SPF “pass” means the connecting IP is authorized to send mail for the checked identity (MAIL FROM or HELO) per the domain’s SPF record.
Foundational 11 min
What are the most common SPF record mechanisms and modifiers in the syntax?
The most common SPF mechanisms are a, mx, ip4, ip6, include, exists, ptr (discouraged), and all, each optionally prefixed by qualifiers + (pass),, (fail).
Foundational 12 min
Common SPF Record Examples and How to Implement Them Correctly
The correct way to implement common SPF records is to publish a single TXT record per sending domain or subdomain that begins with v=spf1.
Foundational 11 min
What are the initial troubleshooting steps Kitterman suggests when SPF checks fail?
Kitterman’s initial troubleshooting steps are to read the receiver’s Authentication-Results to identify the precise SPF result (fail, softfail, neutral.
Foundational 11 min
Why should I use an SPF validator before making DNS changes?
You should use an SPF validator before making DNS changes because it catches syntax and policy errors, simulates the impact of proposed TXT records.
Foundational 6 min
Mandrill SPF & DKIM Configuration: A Complete Step-by-Step Guide by AutoSPF
Mandrill SPF & DKIM Configuration: A Complete Step-by-Step Guide by AutoSPF explains SPF record management, sender authentication, troubleshooting steps,.
Foundational 12 min
How Can I Perform An SPF Lookup For My Domain To Check Authorization Records?
You can perform an SPF lookup for your domain by querying its DNS TXT record containing “v=spf1” using command‑line tools (dig, nslookup.
Foundational 12 min
How can I create a correct SPF record for my domain using an SPF record generator?
To create a correct SPF record with an SPF generator, inventory every legitimate sending source (your mail server IPs/hosts, outbound gateways.
Foundational 14 min
What is an SPF lookup and why does it matter for email delivery?
An SPF lookup is the DNS-based check mail servers perform to verify that the sending IP is authorized by a domain’s SPF record.
Foundational 8 min
FreshMail SPF & DKIM Setup: A Complete Guide
Authenticate your FreshMail email with SPF and DKIM. Follow this complete, step-by-step setup guide to improve deliverability and prevent spoofing.
Foundational 6 min
Was ist SPF-Flattening und warum ist es wichtig?
"Der Irrglaube über SPF-Flattening ist, dass es sich um eine einmalige Lösung handelt", sagt Adam Lundrigan, CTO von DuoCircle und Architekt der Flattening-Engine von AutoSPF.
Foundational 6 min
¿Qué es el aplanamiento SPF y por qué es importante?
"El error habitual sobre el aplanamiento SPF es creer que es una solución de una sola vez", afirma Adam Lundrigan, CTO de DuoCircle y arquitecto del motor de aplanamiento de AutoSPF.
Foundational 6 min
Qu'est-ce que l'aplatissement SPF et pourquoi est-il important ?
« L'idée fausse à propos de l'aplatissement SPF est de croire qu'il s'agit d'une correction ponctuelle », déclare Adam Lundrigan, CTO de DuoCircle et concepteur du moteur d'aplatissement d'AutoSPF.
Foundational 6 min
Che cos'è lo SPF flattening e perché è importante?
"L'idea errata sullo SPF flattening è che si tratti di una correzione una tantum", afferma Adam Lundrigan, CTO di DuoCircle e artefice del motore di flattening di AutoSPF.
Foundational 6 min
SPFフラット化とは何か、なぜ重要なのか？
「SPFフラット化についてよくある誤解は、それが一度きりの対応で済むという考えです」と、DuoCircleのCTOであり、AutoSPFのフラット化エンジンの設計者であるAdam Lundriganは述べています。
Foundational 6 min
Wat is SPF-flattening en waarom is het belangrijk?
"De misvatting over SPF-flattening is dat het een eenmalige oplossing zou zijn", zegt Adam Lundrigan, CTO van DuoCircle en architect van de flattening-engine van AutoSPF.
Foundational 6 min
Czym jest spłaszczanie SPF i dlaczego jest ważne?
„Błędne przekonanie na temat spłaszczania SPF polega na tym, że jest to jednorazowa poprawka” – mówi Adam Lundrigan, CTO firmy DuoCircle i twórca silnika spłaszczania AutoSPF.
Foundational 6 min
O que é o achatamento de SPF e por que ele é importante?
"O equívoco sobre o achatamento de SPF é achar que se trata de uma correção única", diz Adam Lundrigan, CTO da DuoCircle e arquiteto do mecanismo de achatamento do AutoSPF.
Foundational 6 min
What is SPF flattening, and why is it important?
"The misconception about SPF flattening is that it's a one-time fix," says Adam Lundrigan, CTO of DuoCircle and architect of AutoSPF's flattening engine.
Foundational 8 min
Elkdata OÜ: SPF & DKIM Configuration - A Step-by-Step Guide by AutoSPF
At AutoSPF, we believe that proper email authentication is the foundation of secure and reliable email communication.
Foundational 8 min
How has email authentication evolved over the years?
Did you know that email was never meant to be secure because cybercriminals were never meant to target it in the first place?
Foundational 9 min
Why Authenticate Your Emails with Constant Contact?
When you send emails through Constant Contact using your own domain, you want to make sure those emails actually reach your recipients’ inbox.
Foundational 6 min
TLS and DKIM explained: Why you need both for strong email security
DKIM RFC 6376 signs email messages cryptographically, and unlike SPF, the signature survives email forwarding - which is why DMARC alignment via DKIM is.
Foundational 8 min
AWeber SPF & DKIM Setup - A Guide by AutoSPF
In the world of email marketing, ensuring your emails actually reach your subscribers’ inboxes (and not their spam folders) is often more about what’s behind.
Foundational 8 min
What does 'queued email' mean, and how can you fix it?
We’ve all hit that moment where an email just sits there and refuses to leave, and suddenly you’re refreshing your inbox like it’s a magic trick.
Foundational 17 min
10 Reasons The SPF Standard Is Essential For Protecting Your Domain
The Sender Policy Framework (SPF) has emerged as an indispensable component of modern email authentication.
Foundational 17 min
Why Every Domain Owner Should Maintain A Valid SPF Record
An SPF record (Sender Policy Framework) is a crucial piece of your domain’s DNS settings that defines which mail servers are authorized to send email on behalf.
Foundational 14 min
Why You Should Setup SPF Record to Protect Your Domain Reputation
An SPF record, or Sender Policy Framework record, is a critical DNS record designed to prevent email spoofing and improve email authentication.
Foundational 3 min
What is a TXT SPF record and why is it important?
Per RFC 7208, SPF evaluation is capped at 10 DNS mechanism lookups and 2 void lookups per check.
Foundational 16 min
Step-By-Step Guide To Checking SPF Records With Mx Tool SPF
Sender Policy Framework (SPF) is a critical email authentication protocol designed to prevent email spoofing and enhance email security.
Foundational 17 min
SPF Record Settings Explained: Protect Your Domain From Spoofing
An SPF record, short for Sender Policy Framework record, is a specialized DNS record configured within the domain name system to help prevent unauthorized use.
Foundational 16 min
SPF Protocol Explained: Boosting Your Email Deliverability And Security
Email authentication is a critical component of modern email security frameworks designed to verify the legitimacy of the sender and prevent email fraud.
Foundational 14 min
DNS SPF Record Example Explained: Protect Your Domain from Spoofing
The Domain Name System DNS is a critical component of the internet’s infrastructure, functioning as a hierarchical and decentralized naming system that.
Foundational 14 min
Secure Your Business Email: Configure SPF Record The Right Way
In today’s digital landscape, email remains a crucial communication channel for businesses across various sectors, including those utilizing platforms.
Foundational 16 min
Why The Correct SPF Record Name Matters For DMARC And Email Deliverability
The Sender Policy Framework SPF is an essential email authentication protocol designed to improve email security by preventing unauthorized senders from.
Foundational 6 min
Avoid Cyber Threats: A Guide to Safe Email Practices in College
Email is at the center of student life. Whether you’re submitting assignments, applying for internships, or staying in touch with professors, your inbox ho
Foundational 15 min
What Is SPF Hosting And Why Your Domain Needs It
The Sender Policy Framework SPF is a crucial email authentication protocol designed to protect domains from email spoofing and enhance email security.
Foundational 14 min
Common SPF Record Problems And How You Can Fix Them Today
The five most common SPF record problems are multiple records on the same domain, exceeding the 10-DNS-lookup limit, syntax errors, exceeding the 255-character TXT string limit, and choosing the wrong qualifier. Each has a specific, RFC-compliant fix.
Foundational 13 min
Understanding SPF Spam Protection: How Sender Policy Framework Secures Your Email
Introduction to Email Spam and Its Impact Email remains an indispensable communication tool in both personal and business contexts, yet it is also a prime
Foundational 6 min
How can legal firms protect their outgoing emails with SPF?
In the legal circles, even a single mark on your reputation can cause significant damage to your practice and your firm’s identity.
Foundational 10 min
What Is An SPF Record And How Does It Protect Your Email Domain?
An SPF record is a DNS TXT record that tells receiving mail servers which IP addresses and servers are authorized to send email for a domain. Learn how SPF protects against email spoofing, the exact structure of a record, and how to verify one is published correctly.
Foundational 12 min
SPF Validation Tools: The Best Online Checkers for Your Domain
One of the top contenders in the field of SPF validation is MXToolbox. It stands out due to its intuitive interface and an array of diagnostic capabilities.
Foundational 13 min
SPF TXT Record Generator: Create Your Email Authentication Records Easily
Email communication has become a key part of our everyday lives, whether we’re connecting with friends, collaborating with coworkers.
Foundational 18 min
Was ist SPF-E-Mail? Ein Leitfaden zur Technologie der Absendervalidierung
In unserer zunehmend vernetzten digitalen Welt ist es wichtiger denn je, sicherzustellen, dass Ihre E-Mails echt und vertrauenswürdig sind.
Foundational 18 min
¿Qué es el correo SPF? Una guía sobre la tecnología de validación del remitente
En nuestro mundo digital cada vez más conectado, garantizar que sus correos electrónicos sean genuinos y confiables es más importante que nunca.
Foundational 18 min
Qu'est-ce que le courrier SPF ? Un guide de la technologie de validation de l'expéditeur
Dans notre monde numérique de plus en plus connecté, garantir que vos e-mails sont authentiques et dignes de confiance est plus important que jamais.
Foundational 18 min
Che cos'è l'e-mail SPF? Una guida alla tecnologia di validazione del mittente
Nel nostro mondo digitale sempre più connesso, garantire che le sue e-mail siano autentiche e affidabili è più importante che mai.
Foundational 18 min
SPFメールとは？送信者検証技術の完全ガイド
ますますつながりを深める今日のデジタル社会において、あなたのメールが本物で信頼できるものであることを保証することは、かつてないほど重要になっています。
Foundational 18 min
Wat is SPF-e-mail? Een gids over de technologie voor validatie van de afzender
In onze steeds meer verbonden digitale wereld is het belangrijker dan ooit om ervoor te zorgen dat uw e-mails authentiek en betrouwbaar zijn.
Foundational 18 min
Czym jest e-mail SPF? Przewodnik po technologii walidacji nadawcy
W naszym coraz bardziej połączonym świecie cyfrowym zapewnienie, że Państwa wiadomości e-mail są autentyczne i godne zaufania, jest ważniejsze niż kiedykolwiek.
Foundational 18 min
O que é e-mail SPF? Um guia sobre a tecnologia de validação do remetente
Em nosso mundo digital cada vez mais conectado, garantir que seus e-mails sejam genuínos e confiáveis é mais importante do que nunca.
Foundational 18 min
What Is SPF Email? A Guide to Sender Validation Technology
In our increasingly connected digital world, ensuring that your emails are genuine and trustworthy is more important than ever.
Foundational 14 min
IP Address Generator: Create Random IP Addresses for Free
In a digital landscape where every click can reveal your location or personal information, protecting your privacy is more important than ever.
Foundational 19 min
IP Lookup: Discover Your IP Address Location and Details
In today’s digital landscape, your IP address is more than just a line of numbers; it’s like a digital identity that reveals where you are and who you’re with.
Foundational 5 min
What does the ‘null’ value mean in an SPF record?
Imagine setting up an SPF record to protect your domain, only to realize it’s as good as not having one!
Foundational 6 min
SPF-Mechanismen verstehen: a, mx, ip4 und include
SPF definiert in RFC 7208 acht Mechanismen: all, include, a, mx, ptr, ip4, ip6 und exists. Die vier häufigsten sind ip4 (autorisiert eine bestimmte IP), a (autorisiert den A-Eintrag der Domain), mx (autorisiert die MX-Einträge der Domain) und include (delegiert an einen anderen SPF-Eintrag). Lernen Sie die genaue Semantik und die Lookup-Kosten jedes Mechanismus kennen.
Foundational 6 min
Comprender los mecanismos de SPF: a, mx, ip4 e include
SPF define 8 mecanismos en el RFC 7208: all, include, a, mx, ptr, ip4, ip6 y exists. Los cuatro más comunes son ip4 (autoriza una IP específica), a (autoriza el registro A del dominio), mx (autoriza los registros MX del dominio) e include (delega en otro registro SPF). Conozca la semántica exacta y el coste de consultas de cada uno.
Foundational 6 min
Comprendre les mécanismes SPF : a, mx, ip4 et include
SPF définit 8 mécanismes dans la RFC 7208 : all, include, a, mx, ptr, ip4, ip6 et exists. Les quatre plus courants sont ip4 (autorise une IP précise), a (autorise l'enregistrement A du domaine), mx (autorise les enregistrements MX du domaine) et include (délègue à un autre enregistrement SPF). Découvrez la sémantique exacte et le coût en requêtes de chacun.
Foundational 6 min
Comprendere i meccanismi SPF: a, mx, ip4 e include
SPF definisce 8 meccanismi nella RFC 7208: all, include, a, mx, ptr, ip4, ip6 ed exists. I quattro più comuni sono ip4 (autorizza un IP specifico), a (autorizza il record A del dominio), mx (autorizza i record MX del dominio) e include (delega a un altro record SPF). Scopra la semantica esatta e il costo in ricerche di ciascuno.
Foundational 6 min
SPFメカニズムを理解する：a、mx、ip4、include
SPFはRFC 7208で8つのメカニズムを定義しています：all、include、a、mx、ptr、ip4、ip6、exists。最も一般的な4つは、ip4（特定のIPを承認）、a（ドメインのAレコードを承認）、mx（ドメインのMXレコードを承認）、include（別のSPFレコードに委任）です。それぞれの正確な意味とルックアップコストを学びましょう。
Foundational 6 min
SPF-mechanismen begrijpen: a, mx, ip4 en include
SPF definieert 8 mechanismen in RFC 7208: all, include, a, mx, ptr, ip4, ip6 en exists. De vier meest voorkomende zijn ip4 (autoriseert een specifiek IP), a (autoriseert het A-record van het domein), mx (autoriseert de MX-records van het domein) en include (delegeert naar een ander SPF-record). Leer de exacte semantiek en de lookup-kosten van elk mechanisme.
Foundational 6 min
Zrozumieć mechanizmy SPF: a, mx, ip4 i include
SPF definiuje 8 mechanizmów w RFC 7208: all, include, a, mx, ptr, ip4, ip6 oraz exists. Cztery najczęstsze to ip4 (autoryzuje konkretny adres IP), a (autoryzuje rekord A domeny), mx (autoryzuje rekordy MX domeny) oraz include (deleguje do innego rekordu SPF). Poznaj dokładną semantykę i koszt zapytań każdego z nich.
Foundational 6 min
Entendendo os mecanismos do SPF: a, mx, ip4 e include
O SPF define 8 mecanismos na RFC 7208: all, include, a, mx, ptr, ip4, ip6 e exists. Os quatro mais comuns são ip4 (autoriza um IP específico), a (autoriza o registro A do domínio), mx (autoriza os registros MX do domínio) e include (delega para outro registro SPF). Conheça a semântica exata e o custo em consultas de cada um.
Foundational 6 min
Understanding SPF mechanisms: a, mx, ip4, and include
SPF has 8 mechanisms defined in RFC 7208: all, include, a, mx, ptr, ip4, ip6, and exists. The four most common are ip4 (authorize a specific IP), a (authorize the domain's A record), mx (authorize the domain's MX records), and include (delegate to another SPF record). Learn the exact semantics and lookup cost of each.
Foundational 3 min
A simple explanation of DMARC compliance laws
"The most misunderstood thing about DMARC is that SPF passing is not enough - the domains have to align," says Brad Slavin, General Manager of DuoCircle.
Foundational 12 min
How to Check SPF Record on MXToolbox for Email Validation
In the world of email communication, getting your messages to land in inboxes instead of spam folders is crucial.
Foundational 7 min
What is an executive phishing attack and how to prevent it?
Threat actors try different tactics to intercept and steal data, which is further exploited for financial gain. One such tactic is an executive phishing attack.
Foundational 13 min
Mailchimp SPF Record Setup: Ensure Your Email Deliverability
Setting up your email system can often feel like tackling a giant puzzle - each piece needs to fit just right for everything to work smoothly.
Foundational 8 min
Are no-reply emails safe? Understanding the security risks of these emails
If you regularly send out marketing emails for your business, you probably know what kind of emails we’re talking about.
Foundational 17 min
SPF Records for Email: Essential Authentication Setup for Your Domain
SPF records, or Sender Policy Framework records, are essential components of email authentication that allow domain owners to specify which IP addresses are.
Foundational 17 min
What Is SPF Alignment? Understanding Email Security Protocols
SPF alignment is a DMARC concept: for DMARC to pass via SPF, the domain in the Return-Path (envelope sender) must match the domain in the From header. Relaxed alignment (default) allows subdomain matches; strict alignment requires an exact match. SPF can pass while DMARC still fails alignment.
Foundational 17 min
Microsoft Security Alert Email: How to Recognize Phishing and Scams
If you receive a Microsoft security alert email, first verify its authenticity by checking that it comes from ‘account-security-noreply@accountprotection.
Foundational 12 min
Generate SPF TXT Records: The Ultimate Tool for Your Domain
When you send an email, have you ever wondered if it lands in the recipient’s inbox rather than their spam folder? That’s where SPF records come in!
Foundational 4 min
What is a DNS TXT record?
You may already know that SPF records are TXT-type DNS records that domain owners create to mention SPF policies and enlist the mail servers they authorize to.
Foundational 5 min
How long do SPF and DMARC records take to propagate across the internet?
Once you are done with creating SPF and DMARC records to safeguard your email communications.
Foundational 8 min
Email security protocols that must be a part of your security strategy
We know that email is one of the most crucial aspects of your business communication, but we hate to break it to you; it’s also the most vulnerable one.
Foundational 5 min
Why SPF prevailed among other email security solutions?
Back in the days when SMTP (Simple Mail Transfer Protocol) was designed, it lacked any authentication techniques.
Foundational 5 min
Do’s and don’ts of an SPF record
SPF records include syntaxes and many rules and limitations. If you don’t follow them, you will face SPF record failures, false positives, or false negatives.
Foundational 5 min
Building a strong defense: training your employees for email security
Emails are an integral aspect of any business communication, and we’re sure that your employees send dozens of emails every day.
Foundational 6 min
Spotting spoofed emails with DMARC: A guide
Here’s a harsh truth: spoofing attacks are more frequent and prevalent than you think.
Foundational 5 min
ChatGPT & AI Scams: 4 Types to Watch Out For
AI and ChatGPT scams are getting harder to spot. Learn the four most common types - from phishing to deepfakes - and how to avoid falling for them.
Foundational 6 min
Is the Microsoft Account Security Alert email a scam? How to differentiate between a genuine and fake alert email
Have you been receiving security alert emails from Microsoft lately? Well, you are not alone!
Foundational 3 min
Threat actors are exploiting multiple SMTP servers and bypassing SPF, DKIM, and DMARC authentication
Cybersecurity works only if there are no vulnerabilities in the tools and protocols themselves.
Foundational 3 min
Does SPF break for forwarded emails and mailing lists?
Yes - SPF breaks for forwarded email and mailing lists because the forwarder's IP is not in the original sender's SPF record. This is a known RFC 7208 limitation and the main reason DKIM, DMARC, ARC (RFC 8617), and SRS exist.
Foundational 5 min
Trello data breach results in massive exposure of data on the dark web!
Big and small brands across the globe are falling prey to cyberattacks, and this time, it is Trello, the insanely popular project management tool.
Foundational 3 min
Generative artificial intelligence and machine learning are overcoming the limitations of traditional cybersecurity measures
Threat actors are leveraging the speed and accuracy of artificial intelligence to launch sophisticated, difficult-to-detect cyberattacks.
Foundational 4 min
Which IP addresses you should not add to your SPF records?
The foremost step of creating an SPF record is enlisting all the IP addresses and mail servers that you want to add to it.
Foundational 4 min
New Update: Microsoft Joins Forces for Stronger Email Authentication
It was not long ago when Google and Yahoo revamped their email-sending policies and made DMARC authentication a mandatory exercise for organizations sending.
Foundational 4 min
7 Myths and Misconceptions about Sender Policy Framework
Understanding the realities and limitations of the Sender Policy Framework (SPF) is crucial for making informed decisions about your email security.
Foundational 4 min
Background of Scott Kitterman and His Contribution to Sender Policy Framework
Email security was a headache for tech giants (and even some smaller companies) in the late 1990s.
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.
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.
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.
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.
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.
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!
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.
Foundational 4 min
How to Create an SPF TXT Record
Sender Policy Framework or SPF prevents phishing and spoofing attacks by enabling domain owners to specify which IP addresses or servers they trust.