--- title: "Understanding SPF Record Example: A Step-by-Step Guide to Email Validation | DuoCircle" description: "Email is a cornerstone of communication, but imagine sending a message that never arrives or worse, ends up in someone’s spam folder. Frustrating, right?" image: "https://www.duocircle.com/images/og-default.png" canonical: "https://www.duocircle.com/blog/spf-records/understanding-spf-record-example-a-step-by-step-guide-to-email-validation/" --- Quick Answer An SPF record is a TXT record published at the apex of a domain that lists the IPs and hostnames authorized to send mail for that domain. A working example: v=spf1 ip4:192.0.2.0/24 include:\_spf.example.com -all. Breakdown: v=spf1 declares the version (the only valid value), ip4: lists an authorized IPv4 range, include: incorporates another domain's SPF record (used for vendors like Google Workspace, Microsoft 365, Mailchimp), and -all is the qualifier that fails everything else. Other qualifiers: \~all (softfail, mark suspicious but accept), ?all (neutral), +all (avoid, allows anyone). Constraints: maximum 10 DNS lookups across all mechanisms (include, a, mx, ptr, exists, redirect), one SPF record per domain, under 255 characters per string. Test with an SPF checker before publishing and watch DMARC reports for failures. Share [ ](https://www.linkedin.com/sharing/share-offsite/?url=undefined%2Fblog%2Fspf-records%2Funderstanding-spf-record-example-a-step-by-step-guide-to-email-validation%2F "Share on LinkedIn") [ ](https://twitter.com/intent/tweet?text=Understanding%20SPF%20Record%20Example%3A%20A%20Step-by-Step%20Guide%20to%20Email%20Validation&url=undefined%2Fblog%2Fspf-records%2Funderstanding-spf-record-example-a-step-by-step-guide-to-email-validation%2F "Share on X/Twitter") [ ](https://www.facebook.com/sharer/sharer.php?u=undefined%2Fblog%2Fspf-records%2Funderstanding-spf-record-example-a-step-by-step-guide-to-email-validation%2F "Share on Facebook") [ ](https://reddit.com/submit?url=undefined%2Fblog%2Fspf-records%2Funderstanding-spf-record-example-a-step-by-step-guide-to-email-validation%2F&title=Understanding%20SPF%20Record%20Example%3A%20A%20Step-by-Step%20Guide%20to%20Email%20Validation "Share on Reddit") [ ](mailto:?subject=Understanding%20SPF%20Record%20Example%3A%20A%20Step-by-Step%20Guide%20to%20Email%20Validation&body=Check out this article: undefined%2Fblog%2Fspf-records%2Funderstanding-spf-record-example-a-step-by-step-guide-to-email-validation%2F "Share via Email") ![SPF Record](https://media.mailhop.org/duocircle/images/2025/05/dkim-record-check-1040.jpg) Email is a cornerstone of communication, but imagine sending a message that never arrives or worse, ends up in someone’s spam folder. Frustrating, right? That’s where SPF records come into play. They help email servers decide whether the emails they receive are from someone who’s actually allowed to send them. You might think creating an [SPF record](/resources/spf-records) sounds complicated, but it’s simpler than you might expect. It’s all about making sure the right people can send messages on your behalf while keeping the unwanted ones at bay. This guide will walk you through setting up your own SPF record step by step, ensuring your emails get where they need to go, without any hiccups along the way! _An example of a simple SPF record is: \`v=spf1 ip4:192.0.2.0/24 include:\_spf.example.com -all\`. This record specifies that emails can be sent from the IP range 192.0.2.0 to 192.0.2.255 and any servers listed in the SPF record for “\_spf.example.com”, while rejecting emails from all other sources due to the “-all” mechanism at the end._ ## Setting Up Your SPF Record [![SPF Record](https://media.mailhop.org/duocircle/images/2025/05/what-is-DKIM-6040.jpg)](https://media.mailhop.org/duocircle/images/2025/05/what-is-DKIM-6040.jpg) Establishing your SPF record is like laying down the welcome mat for your authorized mail servers. Begin by identifying which [mail servers](https://www.activecampaign.com/glossary/mail-server) are allowed to send emails on behalf of your domain. This identification is crucial because only these trusted entities can be included in your SPF record. Picture it as having a guest list for a party: you wouldn’t want just anyone walking in unannounced. Start with identifying your domain. For instance, if your domain is _yourdomain.com_, think about the various mail servers that might send emails from this domain. These could be **web hosting services** or specific applications that automate email sending. Each server needs to be explicitly mentioned in your SPF record to ensure they are recognized and permitted to send mail. ### Step-by-Step Guide **Step 1: Identify Your Mail Servers** You’ll want to list all authorized mail servers clearly. This may include direct [IP addresses](https://www.techtarget.com/whatis/definition/IP-address-Internet-Protocol-Address) or domain names associated with them. _For example, if you use a service like MailChimp for newsletters, you’ll need to allow their servers too_. Having a comprehensive list will prove beneficial as you create your record. Once you have identified the appropriate servers, the next step is crafting your SPF record itself. **Step 2: Create Your SPF Record** Begin with the version tag _v=spf1_. This tag indicates that what follows is an SPF record. You will then add mechanisms to specify which servers are validated to send emails. Each mechanism has its purpose: - The a mechanism allows any server that’s an A host for your domain. - The mx mechanism authorizes any of your [MX records](https://en.wikipedia.org/wiki/MX%5Frecord). - If you need to specify particular IPs, **ip4 and ip6** can be used for IPv4 and IPv6 addresses respectively. _For instance, a basic entry might look like this: v=spf1 a mx ip4:192.168.0.1 -all_. This informs recipient mail servers that emails can legitimately come from the specified IP _and_ all unknown sources should be rejected, as indicated by the -all at the end. After drafting your SPF record, it’s essential to confirm its accuracy to avoid potential issues with email delivery. **Step 3: Test Your SPF Record** Testing is like peeking through the curtains before opening the door; it’s essential for ensuring everything is in order. Use verification tools such as those from [MXToolbox](https://mxtoolbox.com/) or [Kitterman](http://www.kitterman.com/). All you need to do is input your domain into these tools, and they will check the validity of your SPF record against established guidelines. Understanding these steps clearly sets a solid foundation for creating an effective SPF record and enhancing overall **email deliverability and security**. Consider scheduling regular reviews of your SPF settings every six months or whenever there’s a change in who sends out emails for you. Keeping abreast of these updates means you’ll maintain control over which entities can communicate on behalf of your domain, keeping unwanted spam at bay while reinforcing trust amongst recipients. _With a strong SPF record crafted and tested, it’s time to explore practical examples that illustrate how these concepts come together effectively_. ## Basic SPF Record Example [![ SPF Record ](https://media.mailhop.org/duocircle/images/2025/05/dkim-selector-6073.jpg)](https://media.mailhop.org/duocircle/images/2025/05/dkim-selector-6073.jpg) At its core, a basic SPF record is like an ID card for your domain, determining which mail servers are legitimate senders on its behalf. The simplicity of a record such as v=spf1 a mx -all is what makes it effective. Understanding each part helps you grasp how email validation works and why it’s vital for **communication security**. Starting with the syntax, v=spf1 indicates that you’re using version one of the SPF protocol, it’s the foundation upon which everything else builds. _Next comes a, which stands for the domain’s A record. By including this mechanism, you’re effectively saying that any server with an IP address matching your domain’s A record is allowed to send emails_. Similarly, the mx mechanism authorizes your domain’s MX records as valid senders, ensuring that any mail servers designated for receiving emails can also send them out without interruption. This preliminary setup creates a solid defense against [email spoofing](https://thehackernews.com/2024/07/proofpoint-email-routing-flaw-exploited.html), but let’s look closer at how the final mechanism, -all, rounds out your **SPF strategy**. The -all mechanism is essential, it serves as a strict gatekeeper. This directive explicitly states that any server not included in the previous mechanisms (your A and MX records) is denied access to send email on behalf of your domain. In simpler terms, think of it as placing a “no entry” sign to all unauthorized entities. This hard fail option enhances security by minimizing the chances of someone spoofing your email addresses, with one stroke of the keyboard, you’ve set up a formidable barrier against potential threats. Consider implementing this basic configuration as your starting point. Over time, as you gain experience with email management and handling unique requirements, like allowing third-party services to send newsletters or updates, you might find it necessary to expand on this foundation using other mechanisms like include or ip4. Embracing this basic SPF record is just one step toward greater [email security](/). By taking the time to understand its components and mechanics, you’re laying down a path toward not only better deliverability but also improved **protection against phishing attempts** tailored to exploit weaknesses in your email setup. _While grasping the foundational elements is crucial, refining your setup further can significantly enhance your resistance to threats and improve overall efficiency_. ## Advanced SPF Configuration When managing email deliverability, utilizing advanced SPF settings can drastically enhance security and control over who sends emails on behalf of your domain. These settings are particularly beneficial for businesses that rely on multiple third-party services to manage their [email campaigns](https://www.campaignmonitor.com/resources/glossary/email-campaign/) or transactional emails. The primary components of advanced SPF configuration, including the include, exists, and redirect mechanisms, offer options to create a more comprehensive **email validation system**. [![SPF Configuration](https://media.mailhop.org/duocircle/images/2025/05/what-is-dkim-selector-9074.jpg)](https://media.mailhop.org/duocircle/images/2025/05/what-is-dkim-selector-9074.jpg) ### Adding Include Mechanism The include mechanism is essential when you want to authorize third-party services, such as marketing platforms or payment processors, to send emails for your domain. By incorporating this mechanism, you’re essentially saying, “Trust this service to represent my emails.” _For example, if you wish to use Mailchimp for your email campaigns, your SPF record could look something like this:_ _v=spf1 include:mailchimp.com -all_ This statement not only validates mail sent from your domain but also ensures that the SPF record for Mailchimp is checked as well. Thus, a successful check means emails sent through Mailchimp are authorized. However, it doesn’t stop there; the utility of [SPF](/resources/what-is-spf) can extend even further with the exists mechanism. ### Using Exists Mechanism The exists mechanism is another powerful feature in your SPF arsenal. By implementing this mechanism, you can conduct DNS queries that verify the existence of an IP address within a designated domain. Essentially, you define a search protocol for your emails based on certain conditions. _For instance, if you configure your SPF record like this:_ _v=spf1 exists:%{i}.spf.myisp.com -all_ _You’re establishing a conditional check that looks up the sending IP address against %{i}.spf.myisp.com. If the address exists within that domain’s record, it passes authentication_. This is particularly advantageous if you are working with an ISP that offers dynamic IP addresses or requires specific identification for legitimate servers. Once these configurations have been effectively set up, the next critical step involves their addition and validation in your [DNS records](https://www.ibm.com/think/topics/dns-records). ## Adding SPF to DNS Settings [![Adding SPF to DNS Settings](https://media.mailhop.org/duocircle/images/2025/05/dmarc-report-3010.jpg)](https://media.mailhop.org/duocircle/images/2025/05/dmarc-report-3010.jpg) Adding your SPF record to DNS settings is a crucial step in enhancing your email’s credibility. It might sound complex, but once you break it down, you’ll find it’s quite manageable. The first thing you need to do is log in to your **DNS hosting provider**. This typically involves navigating to the control panel associated with your domain registrar or hosting service. Here, under the section for DNS management, you can adjust the necessary settings that dictate how your domain interacts with email services. ### Step-by-Step DNS Configuration Once you’re in the dashboard, look for an area labeled “DNS Settings” or something similar, it may also be called “Manage DNS.” This is where all the magic happens. You’ll want to add a new TXT record; think of this as creating a little note that tells the world who can legitimately send emails on your behalf. When prompted, make sure to set the hostname as your domain name, often represented by @. This signifies that you want the rule to apply universally across all email addresses associated with that domain. Next, it’s time to _enter the SPF record value_. This is where you ensure you’ve meticulously crafted your SPF rule. For example: v=spf1 a mx include:example.com -all This specifies that only servers associated with example.com are authorized to send emails on its behalf. Take special care here; even a small typo can lead to delivery failures or worse, landing straight into recipients’ [spam folders](https://cybernews.com/news/microsofts-breach-notification-emails-end-up-in-spam-folder/). After adding this information, don’t forget the most vital step: saving your changes! It’s like closing a recipe book after you’ve put all the ingredients together; if you don’t seal it, you won’t create anything worthwhile. When you have saved your SPF record successfully, it’s prudent to verify it using an **SPF validation tool**. Many free options are available online that check if everything was entered correctly and whether it will function as intended. Regular checks of your SPF record are essential because any changes to your mail servers could necessitate updates to maintain effective email deliverability. By taking these straightforward steps, you enhance not just your email security but also boost overall deliverability rates. An accurately configured SPF record helps prevent phishing attempts under your domain name while fostering trust with recipients. _As you grow accustomed to these tasks, it’ll feel less like a chore and more like second nature, an integral part of managing your digital presence effectively_. Navigating through this process illuminates the broader strategies needed for maintaining robust security within your email communications. With this understanding firmly in place, we can explore further methods to bolster protective measures around [sensitive information](https://www.nist.gov/news-events/news/2024/05/nist-finalizes-updated-guidelines-protecting-sensitive-information). ## Improving Email Security [![email security](https://media.mailhop.org/duocircle/images/2025/05/DMARC-generator-5040.jpg)](https://media.mailhop.org/duocircle/images/2025/05/DMARC-generator-5040.jpg) Implementing SPF (Sender Policy Framework) is just the starting point for a robust email security strategy. By integrating it with [DKIM](/resources/what-is-dkim) (DomainKeys Identified Mail) and DMARC (Domain-based Message Authentication, Reporting, and Conformance), businesses can vastly improve their defenses against email-based threats. This combination significantly decreases the risk of spoofing and phishing attacks while safeguarding the integrity of legitimate communications. This triad forms a protective barrier around your **email environment**. When you think of these measures together, SPF verifying sender domains, DKIM ensuring message content hasn’t been tampered with, and DMARC allowing domain owners to monitor and manage their mail flow, you see a comprehensive security shield. The impact is quantifiable; according to a study conducted by Verizon in 2024, organizations that implemented both SPF and DKIM alongside DMARC saw an impressive **74%** reduction in email spoofing incidents. That’s no small feat! However, implementing these protocols comes with challenges. Some users might struggle to configure DNS settings accurately or may encounter issues with legitimate emails being classified as spam due to strict enforcement policies set by DMARC. Education and training are crucial for everyone involved, from **IT professionals** to end-users. The better everyone understands these protocols, the smoother the transition will be. Moreover, a proactive approach goes beyond authentication methods. Research has shown that over 90% of successful [cyberattacks](https://www.aljazeera.com/news/2025/4/15/china-accuses-us-of-launching-cyberattacks-during-asian-winter-games) initiate through email. _This statistic alone should underline the urgency of improving email security across all levels._ ### Additional Best Practices To further enhance security, consider incorporating several best practices into your overall strategy: 1. **Enable Multi-Factor Authentication (MFA):** Adding an extra layer of protection can block over 99.9% of account compromise attempts. 2. **Educate Employees on Phishing Threats:** Regular training can empower employees to recognize and report suspicious emails effectively. 3. **Use Secure Email Gateways:** These tools provide real-time protection by scanning incoming messages for malware or phishing attempts before reaching user inboxes. 4. **Regularly Update Software:** Keeping systems updated helps mitigate vulnerabilities known to cybercriminals. 5. **Implement Strong Password Policies:** Enforcing complex passwords is another useful safeguard against [unauthorized access](https://www.reuters.com/business/media-telecom/us-committee-slaps-60-million-fine-t-mobile-over-unauthorized-data-access-2024-08-14/). While implementing such measures may seem daunting initially, the benefits far outweigh potential inconveniences. Not only will you protect sensitive information, but you’ll also foster trust within your organization as employees feel safer sharing vital data through email channels. With evolving cyber threats out there today, it’s evident how crucial it is to take strides toward improving email security continuously. Whether managing small business communications or handling sensitive corporate transactions, structuring your defenses properly will make all the difference in **safeguarding against cyberattacks**. As we navigate the complexities of email validation and security, understanding common pitfalls and how to address them becomes essential for enhancing your defense mechanisms effectively. ## Solving Common SPF Issues [![Solving Common SPF Issues](https://media.mailhop.org/duocircle/images/2025/05/dkim-validation-5064.jpg)](https://media.mailhop.org/duocircle/images/2025/05/dkim-validation-5064.jpg) Misconfigurations in SPF records can cause legitimate emails to land in spam folders or even fail to deliver altogether. A small error can lead email servers to flag messages as suspicious. To combat this, you need to be aware of frequent pitfalls and how to fix them quickly. ### Issue: Invalid SPF Record Syntax One of the most prevalent problems is invalid syntax within the SPF record itself. _Perhaps you’ve mistyped a mechanism or missed the essential ‘v=spf1’ prefix. Every character counts! A quick way to tackle this issue is by using tools like SPF Record Checker which can help identify and correct syntax errors_. Always ensure that your mechanisms are valid and properly formatted with no unescaped special characters. ### Issue: SPF Record Too Long Another common problem arises when an SPF record exceeds the **255-character limit**. Including too many elements can lead to decreased deliverability in your email process. To resolve this, divide your lengthy SPF policy across multiple strings while ensuring they still convey the same information. For instance, v=spf1 include:\_spf1.example.com include:\_spf2.example.com -all keeps it clean and readable. ### Issue: DNS Lookup Limit Exceeded Additionally, you must be mindful of the [DNS lookup](https://www.digicert.com/faq/dns/how-does-dns-lookup-work) limit imposed by SPF, which caps at ten lookups per query. Exceeding this number results in a permanent error known as permerror. Simplifying mechanisms or leveraging subdomains effectively mitigates this issue, allowing you to stay within bounds without losing necessary detail. ### Recommendations: - **Regular Audits:** Make it a routine practice to periodically review and update your SPF records based on any changes in your mailing practices or infrastructure. - **Monitoring Tools:** Invest time in monitoring tools that can track SPF-related issues in real-time, helping you stay ahead of potential problems before they escalate. - **Fallback Mechanisms:** Implement fallback strategies such as qualifiers like \~all for SoftFail; this way, if something does go wrong, it won’t immediately result in total rejection. By addressing these common issues proactively, you will not only strengthen your SPF implementation but also improve the authenticity of your [email communications](https://writingcenter.unc.edu/tips-and-tools/effective-e-mail-communication/) while enhancing overall deliverability. Being proactive about SPF records ultimately leads to successful email validation and better communication with your audience. Maintaining proper SPF records is crucial for ensuring that your emails reach their intended recipients effectively. Therefore, investing time into understanding and fixing these common issues will pay off in enhanced email deliverability. ## Topics spfSPF record ![Brad Slavin](https://media.mailhop.org/dmarcreport/images/team/brad-slavin.jpg) Brad Slavin General Manager General Manager at DuoCircle. Product strategy and commercial lead across the email security portfolio. ## Secure your email infrastructure Protect, authenticate, and deliver. Contact our team to find the right solution. [Contact Sales](/contact/) [Explore Products](/products/) ## Related Articles [ SPF 8m How SPF Record all Affects Email Routing Across Hybrid Cloud Environments Apr 30, 2026 ](/blog/how-spf-record-all-affects-email-routing-hybrid-cloud-environments/)[ SPF 12m SPF Record Breakdown: Configuration Tips for Enhanced Email Security May 27, 2025 ](/blog/spf-records/spf-record-breakdown-configuration-tips-for-enhanced-email-security/)[ SPF 13m SPF Record Format: Essential Guidelines for Email DNS Configuration Jun 4, 2025 ](/blog/spf-records/spf-record-format-essential-guidelines-for-email-dns-configuration/)[ SPF 13m SPF Record Generator: Easily Create DNS Records for Your Domain May 20, 2025 ](/blog/spf-records/spf-record-generator-easily-create-dns-records-for-your-domain/) ```json {"@context":"https://schema.org","@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com","logo":{"@type":"ImageObject","url":"https://www.duocircle.com/images/duocircle-logo.png"},"description":"DuoCircle is a portfolio of specialized email products covering protection, authentication, delivery, and routing. We deliver about 90% of category-leader capability at roughly half the price, backed by experts who own the outcome. Trusted by 50,000+ organizations since 2014.","subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}],"sameAs":["https://www.linkedin.com/company/duocircle","https://x.com/duocirclellc","https://www.facebook.com/duocirclellc","https://www.g2.com/products/phish-protection-by-duocircle/reviews","https://github.com/duocircle","https://www.crunchbase.com/organization/duocircle-llc"],"contactPoint":{"@type":"ContactPoint","contactType":"customer support","url":"https://support.duocircle.com"},"knowsAbout":["Email Security","Email Authentication","SPF","DKIM","DMARC","Phishing Protection","Spam Filtering","SMTP Relay","Email Deliverability","Email Forwarding"]} ``` ```json {"@context":"https://schema.org","@type":"WebSite","name":"DuoCircle LLC","url":"https://www.duocircle.com","description":"DuoCircle is a portfolio of specialized email products covering protection, authentication, delivery, and routing. We deliver about 90% of category-leader capability at roughly half the price, backed by experts who own the outcome. Trusted by 50,000+ organizations since 2014.","publisher":{"@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com","logo":{"@type":"ImageObject","url":"https://www.duocircle.com/images/duocircle-logo.png"},"description":"DuoCircle is a portfolio of specialized email products covering protection, authentication, delivery, and routing. We deliver about 90% of category-leader capability at roughly half the price, backed by experts who own the outcome. Trusted by 50,000+ organizations since 2014.","subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]}} ``` ```json [{"@context":"https://schema.org","@type":"BlogPosting","headline":"Understanding SPF Record Example: A Step-by-Step Guide to Email Validation","description":"Email is a cornerstone of communication, but imagine sending a message that never arrives or worse, ends up in someone’s spam folder. Frustrating, right?","url":"https://www.duocircle.com/blog/spf-records/understanding-spf-record-example-a-step-by-step-guide-to-email-validation/","datePublished":"2025-05-29T19:02:22.000Z","dateModified":"2025-05-29T19:03:09.000Z","dateCreated":"2025-05-29T19:02:22.000Z","author":{"@type":"Person","@id":"https://www.duocircle.com/authors/brad-slavin/#person","name":"Brad Slavin","url":"https://www.duocircle.com/authors/brad-slavin/","jobTitle":"General Manager","description":"Brad Slavin runs DuoCircle, the company behind DMARC Report, AutoSPF, Phish Protection, and Mailhop. His focus is product strategy, customer relationships, and the commercial and compliance side of email authentication (DPAs, SLAs, enterprise procurement).","image":"https://media.mailhop.org/dmarcreport/images/team/brad-slavin.jpg","knowsAbout":["Email Security Strategy","SaaS Product Management","Enterprise Compliance","Customer Success","Email Deliverability Business"],"worksFor":{"@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com"},"sameAs":["https://www.linkedin.com/in/bradslavin"]},"publisher":{"@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com","logo":{"@type":"ImageObject","url":"https://www.duocircle.com/images/duocircle-logo.png"},"description":"DuoCircle is a portfolio of specialized email products covering protection, authentication, delivery, and routing. We deliver about 90% of category-leader capability at roughly half the price, backed by experts who own the outcome. Trusted by 50,000+ organizations since 2014.","subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]},"mainEntityOfPage":{"@type":"WebPage","@id":"https://www.duocircle.com/blog/spf-records/understanding-spf-record-example-a-step-by-step-guide-to-email-validation/"},"articleSection":"spf-records","keywords":"spf, SPF record","wordCount":2632,"image":{"@type":"ImageObject","url":"https://media.mailhop.org/duocircle/images/2025/05/dkim-record-check-1040.jpg","caption":"SPF Record","width":900,"height":600},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".answer-block","h1"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Blog","item":"https://www.duocircle.com/blog/"},{"@type":"ListItem","position":2,"name":"SPF"},{"@type":"ListItem","position":3,"name":"Understanding SPF Record Example: A Step-by-Step Guide to Email Validation","item":"https://www.duocircle.com/blog/spf-records/understanding-spf-record-example-a-step-by-step-guide-to-email-validation/"}]}] ``` ```json {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.duocircle.com/"},{"@type":"ListItem","position":2,"name":"Blog","item":"https://www.duocircle.com/blog/"},{"@type":"ListItem","position":3,"name":"SPF","item":"https://www.duocircle.comundefined"},{"@type":"ListItem","position":4,"name":"Understanding SPF Record Example: A Step-by-Step Guide to Email Validation","item":"https://www.duocircle.com/blog/spf-records/understanding-spf-record-example-a-step-by-step-guide-to-email-validation/"}]} ``` ```json {"@context":"https://schema.org","@type":"BlogPosting","headline":"Understanding SPF Record Example: A Step-by-Step Guide to Email Validation","description":"Email is a cornerstone of communication, but imagine sending a message that never arrives or worse, ends up in someone’s spam folder. Frustrating, right?","url":"https://www.duocircle.com/blog/spf-records/understanding-spf-record-example-a-step-by-step-guide-to-email-validation/","datePublished":"2025-05-29T19:02:22.000Z","dateModified":"2025-05-29T19:03:09.000Z","dateCreated":"2025-05-29T19:02:22.000Z","author":{"@type":"Person","@id":"https://www.duocircle.com/authors/brad-slavin/#person","name":"Brad Slavin","url":"https://www.duocircle.com/authors/brad-slavin/","jobTitle":"General Manager","description":"Brad Slavin runs DuoCircle, the company behind DMARC Report, AutoSPF, Phish Protection, and Mailhop. His focus is product strategy, customer relationships, and the commercial and compliance side of email authentication (DPAs, SLAs, enterprise procurement).","image":"https://media.mailhop.org/dmarcreport/images/team/brad-slavin.jpg","knowsAbout":["Email Security Strategy","SaaS Product Management","Enterprise Compliance","Customer Success","Email Deliverability Business"],"worksFor":{"@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com"},"sameAs":["https://www.linkedin.com/in/bradslavin"]},"publisher":{"@type":"Organization","name":"DuoCircle LLC","url":"https://www.duocircle.com","logo":{"@type":"ImageObject","url":"https://www.duocircle.com/images/duocircle-logo.png"},"description":"DuoCircle is a portfolio of specialized email products covering protection, authentication, delivery, and routing. We deliver about 90% of category-leader capability at roughly half the price, backed by experts who own the outcome. Trusted by 50,000+ organizations since 2014.","subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]},"mainEntityOfPage":{"@type":"WebPage","@id":"https://www.duocircle.com/blog/spf-records/understanding-spf-record-example-a-step-by-step-guide-to-email-validation/"},"articleSection":"spf-records","keywords":"spf, SPF record","wordCount":2632,"image":{"@type":"ImageObject","url":"https://media.mailhop.org/duocircle/images/2025/05/dkim-record-check-1040.jpg","caption":"SPF Record","width":900,"height":600},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".answer-block","h1"]}} ```