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Mailchimp SPF Record: The Complete Guide to Email Authentication and Deliverability (8 อ่าน)
20 ก.พ. 2569 18:01
<p style="font-size: medium;" data-start="87" data-end="516">Email marketing remains one of the most powerful digital marketing strategies, and platforms like <span class="hover:entity-accent entity-underline inline cursor-pointer align-baseline">Mailchimp</span> help businesses reach millions of subscribers worldwide. However, sending emails is only half the battle. Ensuring that those emails actually reach the inbox is the real challenge. One of the most important technical components behind successful email delivery is the Mailchimp SPF record.
<p style="font-size: medium;" data-start="518" data-end="757">In this in-depth guide, we will explore everything you need to know about Mailchimp SPF records — what they are, why they matter, how they work, how to set them up, common mistakes, and best practices to maximize your email deliverability.
<hr style="font-size: medium;" data-start="759" data-end="762" />
<h2 data-start="764" data-end="789">What Is an SPF Record?</h2>
<p style="font-size: medium;" data-start="791" data-end="948">SPF stands for <strong data-start="806" data-end="833">Sender Policy Framework. It is an email authentication method designed to prevent spammers from sending messages on behalf of your domain.
<p style="font-size: medium;" data-start="950" data-end="1142">An SPF record is a special type of DNS (Domain Name System) record stored in your domain’s DNS settings. It specifies which mail servers are authorized to send emails on behalf of your domain.
<p style="font-size: medium;" data-start="1144" data-end="1360">When a receiving mail server gets an email from your domain, it checks the SPF record to verify that the sending server is permitted. If the server is not listed, the email may be marked as spam or rejected entirely.
<hr style="font-size: medium;" data-start="1362" data-end="1365" />
<h2 data-start="1367" data-end="1412">Why Is the Mailchimp SPF Record Important?</h2>
<p style="font-size: medium;" data-start="1414" data-end="1591">When you use Mailchimp to send email campaigns from your custom domain (for example, <a class="decorated-link cursor-pointer" rel="noopener" data-start="1499" data-end="1518">info@yourdomain.com</a>), you are authorizing Mailchimp’s servers to send emails on your behalf.
<p style="font-size: medium;" data-start="1593" data-end="1634">Without a properly configured SPF record:
<ul style="font-size: medium;" data-start="1636" data-end="1806">
<li data-start="1636" data-end="1671">
<p data-start="1638" data-end="1671">Emails may land in spam folders
</li>
<li data-start="1672" data-end="1716">
<p data-start="1674" data-end="1716">Email providers may reject your messages
</li>
<li data-start="1717" data-end="1754">
<p data-start="1719" data-end="1754">Your domain reputation can suffer
</li>
<li data-start="1755" data-end="1806">
<p data-start="1757" data-end="1806">Open rates and engagement can drop dramatically
</li>
</ul>
<p style="font-size: medium;" data-start="1808" data-end="1844">With a correct Mailchimp SPF record:
<ul style="font-size: medium;" data-start="1846" data-end="2003">
<li data-start="1846" data-end="1879">
<p data-start="1848" data-end="1879">Email authentication improves
</li>
<li data-start="1880" data-end="1909">
<p data-start="1882" data-end="1909">Inbox placement increases
</li>
<li data-start="1910" data-end="1938">
<p data-start="1912" data-end="1938">Spam complaints decrease
</li>
<li data-start="1939" data-end="1967">
<p data-start="1941" data-end="1967">Domain trust strengthens
</li>
<li data-start="1968" data-end="2003">
<p data-start="1970" data-end="2003">Overall deliverability improves
</li>
</ul>
<p style="font-size: medium;" data-start="2005" data-end="2105">In today’s strict email security environment, authentication is no longer optional — it’s essential.
<hr style="font-size: medium;" data-start="2107" data-end="2110" />
<h2 data-start="2112" data-end="2143">How SPF Works with Mailchimp</h2>
<p style="font-size: medium;" data-start="2145" data-end="2355">When you send a campaign through Mailchimp, their mail servers handle the delivery. However, email providers like Gmail, Outlook, and Yahoo want confirmation that Mailchimp is authorized to send on your behalf.
<p style="font-size: medium;" data-start="2357" data-end="2386">Here’s how the process works:
<ol style="font-size: medium;" data-start="2388" data-end="2663">
<li data-start="2388" data-end="2436">
<p data-start="2391" data-end="2436">You send an email campaign through Mailchimp.
</li>
<li data-start="2437" data-end="2487">
<p data-start="2440" data-end="2487">The recipient’s mail server receives the email.
</li>
<li data-start="2488" data-end="2534">
<p data-start="2491" data-end="2534">The server checks your domain’s SPF record.
</li>
<li data-start="2535" data-end="2617">
<p data-start="2538" data-end="2617">If Mailchimp’s sending servers are listed, the email passes SPF authentication.
</li>
<li data-start="2618" data-end="2663">
<p data-start="2621" data-end="2663">If not, the email may fail authentication.
</li>
</ol>
<p style="font-size: medium;" data-start="2665" data-end="2730">SPF works together with two other email authentication protocols:
<ul style="font-size: medium;" data-start="2732" data-end="2838">
<li data-start="2732" data-end="2767">
<p data-start="2734" data-end="2767">DKIM (DomainKeys Identified Mail)
</li>
<li data-start="2768" data-end="2838">
<p data-start="2770" data-end="2838">DMARC (Domain-based Message Authentication, Reporting & Conformance)
</li>
</ul>
<p style="font-size: medium;" data-start="2840" data-end="2965">Together, SPF, DKIM, and DMARC create a strong authentication framework that protects your domain from spoofing and phishing.
<hr style="font-size: medium;" data-start="2967" data-end="2970" />
<h2 data-start="2972" data-end="3018">What Does a Mailchimp SPF Record Look Like?</h2>
<p style="font-size: medium;" data-start="3020" data-end="3094">A typical SPF record that includes Mailchimp may look something like this:
<div class="w-full my-4">
<div class="">
<div class="relative">
<div class="h-full min-h-0 min-w-0">
<div class="h-full min-h-0 min-w-0">
<div class="border corner-superellipse/1.1 border-token-border-light bg-token-bg-elevated-secondary rounded-3xl">
<div class="pointer-events-none absolute inset-x-4 top-12 bottom-4"> </div>
<div class="pointer-events-none absolute inset-x-px top-0 bottom-96"> </div>
<div class="corner-superellipse/1.1 rounded-3xl bg-token-bg-elevated-secondary">
<div class="relative z-0 flex max-w-full">
<div id="code-block-viewer" class="q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch ͼk ͼy" dir="ltr">
<div class="cm-scroller">
<div class="cm-content q9tKkq_readonly">v=spf1 include:servers.mcsv.net ?all</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class=""> </div>
</div>
</div>
</div>
<p style="font-size: medium;" data-start="3142" data-end="3164">Let’s break this down:
<ul style="font-size: medium;" data-start="3166" data-end="3361">
<li data-start="3166" data-end="3207">
<p data-start="3168" data-end="3207"><strong data-start="3168" data-end="3178">v=spf1 → Indicates the SPF version.
</li>
<li data-start="3208" data-end="3280">
<p data-start="3210" data-end="3280"><strong data-start="3210" data-end="3238">include:servers.mcsv.net → Authorizes Mailchimp’s sending servers.
</li>
<li data-start="3281" data-end="3361">
<p data-start="3283" data-end="3361"><strong data-start="3283" data-end="3291">?all → Specifies how to treat unauthorized senders (neutral in this case).
</li>
</ul>
<p style="font-size: medium;" data-start="3363" data-end="3436">However, many domains already have an SPF record for other services like:
<ul style="font-size: medium;" data-start="3438" data-end="3531">
<li data-start="3438" data-end="3455">
<p data-start="3440" data-end="3455">Website hosting
</li>
<li data-start="3456" data-end="3483">
<p data-start="3458" data-end="3483">Corporate email providers
</li>
<li data-start="3484" data-end="3497">
<p data-start="3486" data-end="3497">CRM systems
</li>
<li data-start="3498" data-end="3531">
<p data-start="3500" data-end="3531">Other email marketing platforms
</li>
</ul>
<p style="font-size: medium;" data-start="3533" data-end="3636">In that case, you must merge Mailchimp into your existing SPF record rather than creating a second one.
<hr style="font-size: medium;" data-start="3638" data-end="3641" />
<h2 data-start="3643" data-end="3692">Important Rule: Only One SPF Record Per Domain</h2>
<p style="font-size: medium;" data-start="3694" data-end="3803">One of the most common mistakes is creating multiple SPF records. A domain must have <strong data-start="3779" data-end="3802">only one SPF record.
<p style="font-size: medium;" data-start="3805" data-end="3921">If you add two separate SPF records, email servers may interpret that as a failure, which can damage deliverability.
<p style="font-size: medium;" data-start="3923" data-end="4049">Instead of creating a new SPF record for Mailchimp, you should modify your existing SPF record to include Mailchimp’s servers.
<p style="font-size: medium;" data-start="4051" data-end="4063">For example:
<div class="w-full my-4">
<div class="">
<div class="relative">
<div class="h-full min-h-0 min-w-0">
<div class="h-full min-h-0 min-w-0">
<div class="border corner-superellipse/1.1 border-token-border-light bg-token-bg-elevated-secondary rounded-3xl">
<div class="pointer-events-none absolute inset-x-4 top-12 bottom-4"> </div>
<div class="pointer-events-none absolute inset-x-px top-0 bottom-96"> </div>
<div class="corner-superellipse/1.1 rounded-3xl bg-token-bg-elevated-secondary">
<div class="relative z-0 flex max-w-full">
<div id="code-block-viewer" class="q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch ͼk ͼy" dir="ltr">
<div class="cm-scroller">
<div class="cm-content q9tKkq_readonly">v=spf1 include:yourhost.com include:servers.mcsv.net -all</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class=""> </div>
</div>
</div>
</div>
<p style="font-size: medium;" data-start="4132" data-end="4189">This authorizes both your hosting provider and Mailchimp.
<hr style="font-size: medium;" data-start="4191" data-end="4194" />
<h2 data-start="4196" data-end="4232">How to Add a Mailchimp SPF Record</h2>
<p style="font-size: medium;" data-start="4234" data-end="4265">Here is a step-by-step process:
<h3 data-start="4267" data-end="4307">1. Log Into Your Domain DNS Provider</h3>
<p style="font-size: medium;" data-start="4309" data-end="4323">This could be:
<ul style="font-size: medium;" data-start="4324" data-end="4397">
<li data-start="4324" data-end="4350">
<p data-start="4326" data-end="4350">Your web hosting company
</li>
<li data-start="4351" data-end="4374">
<p data-start="4353" data-end="4374">Your domain registrar
</li>
<li data-start="4375" data-end="4397">
<p data-start="4377" data-end="4397">A cloud DNS provider
</li>
</ul>
<h3 data-start="4399" data-end="4425">2. Locate DNS Settings</h3>
<p style="font-size: medium;" data-start="4427" data-end="4452">Find the section labeled:
<ul style="font-size: medium;" data-start="4453" data-end="4497">
<li data-start="4453" data-end="4469">
<p data-start="4455" data-end="4469">DNS Management
</li>
<li data-start="4470" data-end="4483">
<p data-start="4472" data-end="4483">Zone Editor
</li>
<li data-start="4484" data-end="4497">
<p data-start="4486" data-end="4497">DNS Records
</li>
</ul>
<h3 data-start="4499" data-end="4530">3. Find Existing SPF Record</h3>
<p style="font-size: medium;" data-start="4532" data-end="4571">Look for a TXT record that starts with:
<div class="w-full my-4">
<div class="">
<div class="relative">
<div class="h-full min-h-0 min-w-0">
<div class="h-full min-h-0 min-w-0">
<div class="border corner-superellipse/1.1 border-token-border-light bg-token-bg-elevated-secondary rounded-3xl">
<div class="pointer-events-none absolute inset-x-4 top-12 bottom-4"> </div>
<div class="pointer-events-none absolute inset-x-px top-0 bottom-96"> </div>
<div class="corner-superellipse/1.1 rounded-3xl bg-token-bg-elevated-secondary">
<div class="relative z-0 flex max-w-full">
<div id="code-block-viewer" class="q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch ͼk ͼy" dir="ltr">
<div class="cm-scroller">
<div class="cm-content q9tKkq_readonly">v=spf1</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class=""> </div>
</div>
</div>
</div>
<p style="font-size: medium;" data-start="4589" data-end="4612">If one exists, edit it.
<p style="font-size: medium;" data-start="4614" data-end="4654">If none exists, create a new TXT record.
<h3 data-start="4656" data-end="4694">4. Add Mailchimp Include Mechanism</h3>
<p style="font-size: medium;" data-start="4696" data-end="4700">Add:
<div class="w-full my-4">
<div class="">
<div class="relative">
<div class="h-full min-h-0 min-w-0">
<div class="h-full min-h-0 min-w-0">
<div class="border corner-superellipse/1.1 border-token-border-light bg-token-bg-elevated-secondary rounded-3xl">
<div class="pointer-events-none absolute inset-x-4 top-12 bottom-4"> </div>
<div class="pointer-events-none absolute inset-x-px top-0 bottom-96"> </div>
<div class="corner-superellipse/1.1 rounded-3xl bg-token-bg-elevated-secondary">
<div class="relative z-0 flex max-w-full">
<div id="code-block-viewer" class="q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch ͼk ͼy" dir="ltr">
<div class="cm-scroller">
<div class="cm-content q9tKkq_readonly">include:servers.mcsv.net</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class=""> </div>
</div>
</div>
</div>
<h3 data-start="4736" data-end="4755">5. Save Changes</h3>
<p style="font-size: medium;" data-start="4757" data-end="4831">DNS changes can take anywhere from a few minutes to 48 hours to propagate.
<hr style="font-size: medium;" data-start="4833" data-end="4836" />
<h2 data-start="4838" data-end="4870">Soft Fail vs Hard Fail in SPF</h2>
<p style="font-size: medium;" data-start="4872" data-end="4927">At the end of an SPF record, you will see one of these:
<ul style="font-size: medium;" data-start="4929" data-end="4995">
<li data-start="4929" data-end="4951">
<p data-start="4931" data-end="4951"><strong data-start="4931" data-end="4939">~all → Soft fail
</li>
<li data-start="4952" data-end="4974">
<p data-start="4954" data-end="4974"><strong data-start="4954" data-end="4962">-all → Hard fail
</li>
<li data-start="4975" data-end="4995">
<p data-start="4977" data-end="4995"><strong data-start="4977" data-end="4985">?all → Neutral
</li>
</ul>
<h3 data-start="4997" data-end="5017">Soft Fail (~all)</h3>
<p style="font-size: medium;" data-start="5018" data-end="5076">Unauthorized senders are marked but not strictly rejected.
<h3 data-start="5078" data-end="5098">Hard Fail (-all)</h3>
<p style="font-size: medium;" data-start="5099" data-end="5142">Unauthorized senders are rejected outright.
<p style="font-size: medium;" data-start="5144" data-end="5286">For most businesses using Mailchimp, a soft fail is common during setup. Once everything is confirmed, a hard fail offers stronger protection.
<hr style="font-size: medium;" data-start="5288" data-end="5291" />
<h2 data-start="5293" data-end="5330">Common Mailchimp SPF Record Errors</h2>
<p style="font-size: medium;" data-start="5332" data-end="5424">Improper SPF configuration can severely hurt your email performance. Here are common issues:
<h3 data-start="5426" data-end="5453">1. Multiple SPF Records</h3>
<p style="font-size: medium;" data-start="5454" data-end="5516">Having more than one SPF record causes authentication failure.
<h3 data-start="5518" data-end="5550">2. Missing Mailchimp Include</h3>
<p style="font-size: medium;" data-start="5551" data-end="5627">If you forget to include Mailchimp’s servers, campaigns may fail SPF checks.
<h3 data-start="5629" data-end="5662">3. Exceeding DNS Lookup Limit</h3>
<p style="font-size: medium;" data-start="5663" data-end="5754">SPF records are limited to 10 DNS lookups. If you include too many services, SPF will fail.
<h3 data-start="5756" data-end="5779">4. Incorrect Syntax</h3>
<p style="font-size: medium;" data-start="5780" data-end="5843">Even a small formatting error can invalidate the entire record.
<hr style="font-size: medium;" data-start="5845" data-end="5848" />
<h2 data-start="5850" data-end="5881">SPF and Email Deliverability</h2>
<p style="font-size: medium;" data-start="5883" data-end="5932">Email deliverability depends on multiple factors:
<ul style="font-size: medium;" data-start="5934" data-end="6030">
<li data-start="5934" data-end="5953">
<p data-start="5936" data-end="5953">Domain reputation
</li>
<li data-start="5954" data-end="5970">
<p data-start="5956" data-end="5970">Sending volume
</li>
<li data-start="5971" data-end="5989">
<p data-start="5973" data-end="5989">Engagement rates
</li>
<li data-start="5990" data-end="6007">
<p data-start="5992" data-end="6007">Spam complaints
</li>
<li data-start="6008" data-end="6030">
<p data-start="6010" data-end="6030">Authentication setup
</li>
</ul>
<p style="font-size: medium;" data-start="6032" data-end="6183">SPF directly impacts authentication and sender trust. Major inbox providers heavily weigh authentication signals when deciding inbox vs spam placement.
<p style="font-size: medium;" data-start="6185" data-end="6211">If SPF fails consistently:
<ul style="font-size: medium;" data-start="6213" data-end="6314">
<li data-start="6213" data-end="6245">
<p data-start="6215" data-end="6245">Your emails may be quarantined
</li>
<li data-start="6246" data-end="6282">
<p data-start="6248" data-end="6282">Your domain reputation may decline
</li>
<li data-start="6283" data-end="6314">
<p data-start="6285" data-end="6314">Future campaigns may struggle
</li>
</ul>
<p style="font-size: medium;" data-start="6316" data-end="6356">Proper SPF setup builds long-term trust.
<hr style="font-size: medium;" data-start="6358" data-end="6361" />
<h2 data-start="6363" data-end="6398">Mailchimp SPF and Custom Domains</h2>
<p style="font-size: medium;" data-start="6400" data-end="6575">If you use a free Mailchimp sending domain, SPF is handled automatically. However, when using a <strong data-start="6496" data-end="6527">custom authenticated domain, SPF configuration becomes your responsibility.
<p style="font-size: medium;" data-start="6577" data-end="6628">Custom domains are highly recommended because they:
<ul style="font-size: medium;" data-start="6630" data-end="6730">
<li data-start="6630" data-end="6649">
<p data-start="6632" data-end="6649">Build brand trust
</li>
<li data-start="6650" data-end="6675">
<p data-start="6652" data-end="6675">Improve inbox placement
</li>
<li data-start="6676" data-end="6705">
<p data-start="6678" data-end="6705">Strengthen domain authority
</li>
<li data-start="6706" data-end="6730">
<p data-start="6708" data-end="6730">Protect brand identity
</li>
</ul>
<p style="font-size: medium;" data-start="6732" data-end="6814">Without authentication, your emails appear less legitimate to modern spam filters.
<hr style="font-size: medium;" data-start="6816" data-end="6819" />
<h2 data-start="6821" data-end="6857">How SPF Works with DKIM and DMARC</h2>
<p style="font-size: medium;" data-start="6859" data-end="7046">While SPF verifies sending servers, DKIM adds a cryptographic signature to your email headers. DMARC ties everything together by telling receiving servers what to do if SPF or DKIM fails.
<p style="font-size: medium;" data-start="7048" data-end="7092">SPF alone is not enough for full protection.
<p style="font-size: medium;" data-start="7094" data-end="7111">For best results:
<ul style="font-size: medium;" data-start="7113" data-end="7179">
<li data-start="7113" data-end="7125">
<p data-start="7115" data-end="7125">Enable SPF
</li>
<li data-start="7126" data-end="7152">
<p data-start="7128" data-end="7152">Enable DKIM in Mailchimp
</li>
<li data-start="7153" data-end="7179">
<p data-start="7155" data-end="7179">Configure a DMARC policy
</li>
</ul>
<p style="font-size: medium;" data-start="7181" data-end="7237">Together, these create a powerful authentication shield.
<hr style="font-size: medium;" data-start="7239" data-end="7242" />
<h2 data-start="7244" data-end="7288">Advanced Considerations for Large Senders</h2>
<p style="font-size: medium;" data-start="7290" data-end="7342">High-volume senders using Mailchimp should consider:
<h3 data-start="7344" data-end="7370">Dedicated IP Addresses</h3>
<p style="font-size: medium;" data-start="7371" data-end="7424">A dedicated IP can improve sender reputation control.
<h3 data-start="7426" data-end="7446">Domain Alignment</h3>
<p style="font-size: medium;" data-start="7447" data-end="7497">Ensure SPF aligns with your visible “From” domain.
<h3 data-start="7499" data-end="7521">Monitoring Reports</h3>
<p style="font-size: medium;" data-start="7522" data-end="7574">Use DMARC reports to monitor authentication results.
<h3 data-start="7576" data-end="7598">Subdomain Strategy</h3>
<p style="font-size: medium;" data-start="7599" data-end="7670">Some businesses use a dedicated subdomain for email marketing, such as:
<ul style="font-size: medium;" data-start="7671" data-end="7720">
<li data-start="7671" data-end="7692">
<p data-start="7673" data-end="7692">mail.yourdomain.com
</li>
<li data-start="7693" data-end="7720">
<p data-start="7695" data-end="7720">newsletter.yourdomain.com
</li>
</ul>
<p style="font-size: medium;" data-start="7722" data-end="7765">This protects the root domain’s reputation.
<hr style="font-size: medium;" data-start="7767" data-end="7770" />
<h2 data-start="7772" data-end="7816">Security Benefits of Mailchimp SPF Record</h2>
<p style="font-size: medium;" data-start="7818" data-end="7851">Beyond deliverability, SPF helps:
<ul style="font-size: medium;" data-start="7853" data-end="7977">
<li data-start="7853" data-end="7878">
<p data-start="7855" data-end="7878">Prevent domain spoofing
</li>
<li data-start="7879" data-end="7905">
<p data-start="7881" data-end="7905">Reduce phishing attempts
</li>
<li data-start="7906" data-end="7948">
<p data-start="7908" data-end="7948">Protect customers from fraudulent emails
</li>
<li data-start="7949" data-end="7977">
<p data-start="7951" data-end="7977">Maintain brand credibility
</li>
</ul>
<p style="font-size: medium;" data-start="7979" data-end="8079">Cybersecurity threats are increasing, and email authentication is one of the first lines of defense.
<hr style="font-size: medium;" data-start="8081" data-end="8084" />
<h2 data-start="8086" data-end="8125">Troubleshooting Mailchimp SPF Issues</h2>
<p style="font-size: medium;" data-start="8127" data-end="8169">If your emails are failing authentication:
<ol style="font-size: medium;" data-start="8171" data-end="8373">
<li data-start="8171" data-end="8212">
<p data-start="8174" data-end="8212">Check that only one SPF record exists.
</li>
<li data-start="8213" data-end="8264">
<p data-start="8216" data-end="8264">Verify Mailchimp’s include statement is present.
</li>
<li data-start="8265" data-end="8292">
<p data-start="8268" data-end="8292">Confirm syntax accuracy.
</li>
<li data-start="8293" data-end="8331">
<p data-start="8296" data-end="8331">Ensure DNS propagation is complete.
</li>
<li data-start="8332" data-end="8373">
<p data-start="8335" data-end="8373">Test with email header analysis tools.
</li>
</ol>
<p style="font-size: medium;" data-start="8375" data-end="8465">Always review the “Authentication-Results” section of email headers to confirm SPF status.
<hr style="font-size: medium;" data-start="8467" data-end="8470" />
<h2 data-start="8472" data-end="8520">Best Practices for Mailchimp SPF Record Setup</h2>
<ul style="font-size: medium;" data-start="8522" data-end="8777">
<li data-start="8522" data-end="8553">
<p data-start="8524" data-end="8553">Maintain only one SPF record.
</li>
<li data-start="8554" data-end="8582">
<p data-start="8556" data-end="8582">Keep DNS lookups under 10.
</li>
<li data-start="8583" data-end="8639">
<p data-start="8585" data-end="8639">Combine all sending services into a single SPF string.
</li>
<li data-start="8640" data-end="8671">
<p data-start="8642" data-end="8671">Pair SPF with DKIM and DMARC.
</li>
<li data-start="8672" data-end="8710">
<p data-start="8674" data-end="8710">Monitor domain reputation regularly.
</li>
<li data-start="8711" data-end="8747">
<p data-start="8713" data-end="8747">Use a custom authenticated domain.
</li>
<li data-start="8748" data-end="8777">
<p data-start="8750" data-end="8777">Avoid unnecessary includes.
</li>
</ul>
<hr style="font-size: medium;" data-start="8779" data-end="8782" />
<h2 data-start="8784" data-end="8801">Final Thoughts</h2>
<p style="font-size: medium;" data-start="8803" data-end="8978">A properly configured Mailchimp SPF record is essential for modern email marketing success. Without it, even the most beautifully designed campaigns may never reach the inbox.
<p style="font-size: medium;" data-start="8980" data-end="9147">Email providers have tightened authentication requirements dramatically. SPF is no longer optional — it is a foundational element of email security and deliverability.
<p style="font-size: medium;" data-start="9149" data-end="9320">By correctly setting up and maintaining your Mailchimp SPF record, you protect your domain, improve inbox placement, build sender trust, and maximize campaign performance.
<p style="font-size: medium;" data-start="9322" data-end="9522">If you are serious about email marketing growth, authentication must be a priority. SPF is one of the simplest yet most powerful tools available to ensure your emails are trusted, delivered, and read.
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