{"id":4016,"date":"2025-02-28T00:00:00","date_gmt":"2025-02-28T00:00:00","guid":{"rendered":"https:\/\/www.warmy.io\/blog\/smtp-error-421-4-3-2-service-shutting-down-causes-how-to-fix-it\/"},"modified":"2026-06-29T13:36:07","modified_gmt":"2026-06-29T13:36:07","slug":"smtp-error-421-4-3-2-service-shutting-down-causes-how-to-fix-it","status":"publish","type":"post","link":"https:\/\/www.warmy.io\/blog\/smtp-error-421-4-3-2-service-shutting-down-causes-how-to-fix-it\/","title":{"rendered":"SMTP Error 421 4.3.2: Service Shutting Down, Closing Connection \u2014 Causes and Fixes"},"content":{"rendered":"\n<p>There are many <a href=\"https:\/\/www.warmy.io\/blog\/smtp-error-codes-and-messages\/\" target=\"_blank\" rel=\"noopener noreferrer\">SMTP-related errors<\/a> that email senders encounter daily. Some stem from <a href=\"https:\/\/www.warmy.io\/blog\/how-to-fix-smtp-email-error-450-4-7-1-solved\/\" target=\"_blank\" rel=\"noopener noreferrer\">IP reputation concerns<\/a>, while others are <a href=\"https:\/\/www.warmy.io\/blog\/how-to-fix-smtp-email-error-421-solved\/\" target=\"_blank\" rel=\"noopener noreferrer\">temporary, retryable failures<\/a> that resolve on their own.<\/p>\n\n\n\n<p>SMTP error 421 4.3.2 (Service Shutting Down) is a 4xx-class soft bounce \u2014 meaning it is temporary and your mail server should retry delivery automatically. The receiving server is saying it cannot accept the connection right now, but may accept it shortly. Understanding this distinction matters: according to <a href=\"https:\/\/glockapps.com\/blog\/updated-email-deliverability-statistics-2025\/\" rel=\"noopener\" target=\"_blank\" rel=\"noopener noreferrer\">email deliverability benchmarks<\/a>, inbox placement rates dropped significantly across major providers in 2025, making proactive deliverability hygiene more critical than ever \u2014 even for errors that appear temporary.<\/p>\n\n\n\n<p>This issue can stem from server overload or scheduled maintenance. However, there are some instances in which this error occurs due to a misconfigured setting that prevents emails from being processed.<\/p>\n\n\n\n<p>In this guide, you will find a clear explanation of what SMTP error 421 4.3.2 is, what causes it, how to fix it step by step, and the best practices to prevent it from recurring.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><b>What causes SMTP error 421 4.3.2?<\/b><\/h2>\n\n\n\n<p>SMTP error <b>421 4.3.2 \u2013 Service Shutting Down<\/b> typically indicates a <b>temporary failure<\/b> on the mail server. This means that the error is a result of uncontrollable factors such as mail server overloads, or scheduled maintenance.&nbsp;<\/p>\n\n\n\n<p>You can still receive this error message if there are some sending limitations implemented in your account or if your email is <a href=\"https:\/\/www.warmy.io\/blog\/email-blacklists-types-checks-and-how-to-stay-off-the-list\/\" target=\"_blank\" rel=\"noopener noreferrer\">blacklisted<\/a>. Here are the detailed explanations of this issue.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mail server overload<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The mail server is processing too many connections at the same time.<\/li>\n\n\n\n<li>High email traffic exceeds server capacity.<\/li>\n\n\n\n<li>Insufficient server resources (CPU, memory, bandwidth).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Scheduled maintenance or downtime<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The mail server is undergoing scheduled updates or maintenance.<\/li>\n\n\n\n<li>The email service was restarted manually or automatically.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Misconfigured server settings<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SMTP configuration errors (incorrect throttling limits, misconfigured queue settings).<\/li>\n\n\n\n<li>Poorly set connection limits for incoming and outgoing emails.<\/li>\n\n\n\n<li>Incompatibilities with email security protocols.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Network or ISP restrictions<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Firewall rules or security software blocking email communication.<\/li>\n\n\n\n<li>ISP restrictions on email sending limits.<\/li>\n\n\n\n<li>DNS or MX record misconfigurations.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Blacklisted IP or domain<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If the sending IP address is <a href=\"https:\/\/www.warmy.io\/blog\/are-blacklists-killing-your-emails-a-deep-dive-into-how-they-influence-email-providers\/\" target=\"_blank\" rel=\"noopener noreferrer\">blacklisted<\/a>, the receiving server may temporarily refuse connections.<\/li>\n\n\n\n<li>Reputation issues due to high spam rates.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Email queue congestion<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A large backlog of undelivered emails clogging the mail queue.<\/li>\n\n\n\n<li>Slow message processing due to poor performance tuning.<\/li>\n<\/ul>\n\n\n\n<p>Note: Some providers use variant codes within the 421 family. Gmail&#8217;s 421 4.7.x is a reputation-based rate-limiting signal, not a pure infrastructure error \u2014 if you see this code repeatedly from Gmail, it indicates your sending velocity or domain reputation needs attention, not just a server-side wait.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Pro Tip: If you see 421 errors clustering on a specific step in your outreach sequence \u2014 especially one that opens a new email thread rather than replying to an existing one \u2014 that step may be triggering stricter filtering. Switch that step to a reply format to reduce the friction the receiving server sees.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><b>How to fix SMTP Error 421 4.3.2?<\/b><\/h2>\n\n\n\n<p>It is more likely that this error can be resolved by simply waiting for a few moments. However, it is still wise to implement some corrective and preventive actions to guarantee that the error is at least not coming from your end.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">For email senders:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><b>Retry sending emails at a later time<\/b>\n<ul class=\"wp-block-list\">\n<li>Since this is often a temporary error, wait a few minutes before resending emails.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><b>Check if the receiving mail server is down<\/b>\n<ul class=\"wp-block-list\">\n<li>Contact the recipient\u2019s IT team or use online SMTP testing tools.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><b>Ensure your IP isn\u2019t blacklisted<\/b>\n<ul class=\"wp-block-list\">\n<li>Use tools like MXToolbox or Spamhaus to check your email reputation.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">For system admins &amp; IT professionals:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><b>Step 1: Check server load and performance<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Run system diagnostics to monitor CPU, RAM, and disk usage.<\/li>\n\n\n\n<li>Identify resource bottlenecks and optimize server performance.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><b>Step 2: Inspect email logs<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Analyze SMTP logs for detailed error messages.<\/li>\n\n\n\n<li>Use commands like:\n<ul class=\"wp-block-list\">\n<li>tail -f \/var\/log\/maillog\u00a0 # For Linux-based mail servers<\/li>\n\n\n\n<li>Get-MessageTrackingLog -ResultSize Unlimited\u00a0 # For Exchange servers<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><b>Step 3: Adjust SMTP configuration<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Modify server settings so it can handle higher email loads:\n<ul class=\"wp-block-list\">\n<li>Increase mail queue limits.<\/li>\n\n\n\n<li>Adjust connection timeouts.<\/li>\n\n\n\n<li>Optimize rate limits.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><b>Step 4: Review firewall &amp; security rules<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ensure that SMTP ports (25, 587, 465) are open.<\/li>\n\n\n\n<li>Check that antivirus software is not blocking email traffic.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><b>Step 5: Clear mail queues<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>On Postfix:\n<ul class=\"wp-block-list\">\n<li>postqueue -p\u00a0 # View the mail queue<\/li>\n\n\n\n<li>postsuper -d ALL\u00a0 # Clear the queue if necessary<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>On Exim:\n<ul class=\"wp-block-list\">\n<li>exim -bp\u00a0 # View queue<\/li>\n\n\n\n<li>exim -Mrm &lt;message-id>\u00a0 # Remove stuck messages<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><b>Step 6: Restart mail services<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Restart the SMTP service to refresh configurations:\n<ul class=\"wp-block-list\">\n<li>systemctl restart postfix\u00a0 # Postfix<\/li>\n\n\n\n<li>systemctl restart exim\u00a0 # Exim<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Pro Tip: When you see a wave of 421 4.3.2 errors from a specific receiving domain, check that domain&#8217;s MX records and public status pages before spending time on server-side changes. Often, the issue is entirely on the recipient&#8217;s end \u2014 their server is down or throttling \u2014 and retrying after 30\u201360 minutes is all that is needed.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Why 421 errors matter for your overall deliverability<\/h2>\n\n\n\n<p>Even though SMTP error 421 4.3.2 is technically temporary, repeated occurrences can signal deeper deliverability problems worth addressing. Research from GlockApps shows that average inbox placement rates dropped sharply across major providers in 2025 \u2014 with Office 365 inbox rates falling by over 22 percentage points for high-volume senders. In that environment, any pattern of 4xx errors deserves investigation.<\/p>\n\n\n\n<p>Proper email authentication is the most direct lever you have. According to <a href=\"https:\/\/www.validity.com\/wp-content\/uploads\/2025\/03\/2025-Benchmark-Report-FINAL.pdf\" rel=\"noopener\" target=\"_blank\" rel=\"noopener noreferrer\">Validity&#8217;s 2025 Email Deliverability Benchmark<\/a>, domains with full SPF, DKIM, and DMARC configuration are significantly more likely to reach the inbox than unauthenticated domains \u2014 and the gap widens as provider filtering tightens. A correctly configured domain reduces both the frequency of 421-class deferrals and the longer-term reputation damage that can follow them.<\/p>\n\n\n\n<p>Not sure whether your domain authentication is set up correctly? Warmy&#8217;s free <a href=\"https:\/\/www.warmy.io\/free-tools\/email-deliverability-test\" target=\"_blank\" rel=\"noopener noreferrer\">Email Deliverability Test<\/a> checks your SPF, DKIM, and DMARC records, scans your domain and IP against major blacklists, and shows exactly where your emails land \u2014 inbox, spam, or missing \u2014 across Gmail, Outlook, and Yahoo. Run it free, no account required.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"623\" src=\"https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/06\/Deliverability-test-1024x623.png\" alt=\"Email Deliverability test\" class=\"wp-image-6949\" title=\"\" srcset=\"https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/06\/Deliverability-test-1024x623.png 1024w, https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/06\/Deliverability-test-300x183.png 300w, https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/06\/Deliverability-test-768x467.png 768w, https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/06\/Deliverability-test.png 1060w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><b>How to implement preventive action with Warmy<\/b><\/h2>\n\n\n\n<p>Although SMTP Error 421 4.3.2 is a temporary issue \u2014 with issues that are most likely caused by issues with the server \u2014 employing preventive measures can at least minimize its impact.<\/p>\n\n\n\n<p>Warmy is an AI-driven email warmup and deliverability platform that helps 35,000+ businesses build sender reputation, improve inbox placement, and keep emails out of spam \u2014 no technical expertise required. Here is how Warmy&#8217;s tools address the root causes behind 421-class errors and broader deliverability risk.<\/p>\n\n\n\n<p>Warmy offers the most versatile email deliverability system with tons of solutions that can help you minimize the impact of various SMTP related issues. Here is how.<\/p>\n\n\n\n<p>&nbsp;<strong>Improve email authentication with free SPF and DMARC Record Generators<\/strong><\/p>\n\n\n\n<p>Correctly configured SPF, DKIM and DMARC records are crucial for email authentication.<\/p>\n\n\n\n<p>Warmy offers <a href=\"https:\/\/www.warmy.io\/free-tools\/spf-generator\" target=\"_blank\" rel=\"noopener noreferrer\">free SPF<\/a> and <a href=\"https:\/\/www.warmy.io\/free-tools\/dmarc-generator\" target=\"_blank\" rel=\"noopener noreferrer\">DMARC record generators<\/a>. With these tools, senders can be sure their domain is properly authenticated. This, in turn. will help reduce the numbers of SMTP errors you encounter.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/warmy-blog-wordpress-bucket.s3.amazonaws.com\/wp-content\/uploads\/2025\/03\/11093355\/848shots_so.webp\" alt=\"A website interface titled Free DMARC Record Generator with a form to enter a domain for generating a DMARC record. Below the title are navigation buttons for Domain, ESP, Email, and DMARC value. A Next button is at the bottom.\" title=\"\"><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Monitor email health with Domain Health Hub<\/strong><\/h3>\n\n\n\n<p>Warmy\u2019s domain health hub offers a complete monitoring of their deliverability at the domain level instead of their individual inboxes. It offers a multitude of advantages that ensures that your emails are set up for success.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><b>Instant domain health score: <\/b>Check your deliverability status with metrics such as Inbox Placement, DNS Authentication, and Google Postmaster Data.<\/p><\/li>\n\n\n\n<li><p><b>Clear warmup insights:<\/b> Gives you the ability to track spam rates, inbox placement, and deliverability trends weekly and monthly.<\/p><\/li>\n\n\n\n<li><p><b>Comprehensive DNS status checks:<\/b> Validate and troubleshoot SPF, DKIM, DMARC, rDNS, MX, and A records for seamless email authentication and security.\u00a0<\/p><\/li>\n\n\n\n<li><p><b>Optimized multi-domain monitoring:<\/b> Manage all your domains from one sleek dashboard, making it easier to identify which ones need immediate action.\u00a0<\/p><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"825\" height=\"527\" src=\"https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/07\/Screenshot_5.png\" alt=\"dashboard\" class=\"wp-image-7063\" title=\"\" srcset=\"https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/07\/Screenshot_5.png 825w, https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/07\/Screenshot_5-300x192.png 300w, https:\/\/www.warmy.io\/blog\/wp-content\/uploads\/2024\/07\/Screenshot_5-768x491.png 768w\" sizes=\"auto, (max-width: 825px) 100vw, 825px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Employ reliable email warmup<\/strong><\/h3>\n\n\n\n<p>Warmy.io helps establish credibility with email providers by gradually increasing the email volumes your email is sending; \u201c<a href=\"https:\/\/www.warmy.io\/product\/warm-up-email\" target=\"_blank\" rel=\"noopener noreferrer\">warming it up<\/a>\u201d to avoid your emails being flagged as spam or rejected. This helps you establish a positive sender reputation and credibility with email providers.&nbsp;<\/p>\n\n\n\n<p>Powered by Adeline AI \u2014 Warmy&#8217;s proprietary AI engine that makes 20 million decisions per day across a network of 1M+ real mailboxes \u2014 the warmup process simulates genuine human engagement:<\/p>\n\n\n\n<p>Warmy\u2019s automated warmup includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Email opens<\/b> \u2013 Your email is not just marked as read but actually <b>opened and scrolled through<\/b> to simulate real engagement.<\/li>\n\n\n\n<li><b>Link clicks<\/b> \u2013 If your email contains links, our system will <b>click them naturally<\/b>, improving sender trust.<\/li>\n\n\n\n<li><b>Spam recovery<\/b> \u2013 If an email lands in spam, it is <b>manually removed and marked as important<\/b> to teach ISPs that your emails are legitimate.<\/li>\n\n\n\n<li><b>Dynamic email interaction<\/b> \u2013 Instead of a static process, the system <b>engages with your email content<\/b>, ensuring interactions appear <b>genuine and human-like.<\/b><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Email deliverability test<\/strong><\/h3>\n\n\n\n<p>Warmy.io offers free <a href=\"https:\/\/www.warmy.io\/free-tools\/email-deliverability-test\" target=\"_blank\" rel=\"noopener noreferrer\">email deliverability tests<\/a> to help you evaluate the chances of your emails landing in inboxes, instead of the spam folders.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"The Complete Tool For Email Deliverability: Meet Warmy.io!\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/jFXzuA-F-Nc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>The inbox placement analysis lets you see the percentages of emails landing across different providers (Gmail, Outlook, Yahoo, etc.). Regular scans also ensure that your sending IP and domain remain free from spam blacklists that could cause SMTP 421-related errors. And if somehow, your domain gets blacklisted, you will have the opportunity to know and can proceed with the <a href=\"https:\/\/www.warmy.io\/blog\/email-domain-ip-blacklist-removal-steps-to-delist-your-ip\/\" target=\"_blank\" rel=\"noopener noreferrer\">delisting process<\/a>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Pro Tip: Run Warmy&#8217;s free Email Deliverability Test before and after making any changes to your SPF, DKIM, or DMARC records. The before\/after comparison gives you a concrete data point showing whether the fix worked \u2014 and catches any authentication misalignment that could continue triggering 421-class deferrals.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Take actions and ensure email deliverability success in the face of SMTP errors<\/strong><\/h2>\n\n\n\n<p>Some SMTP errors are inevitable, but it doesn\u2019t mean that it should stop you from implementing proper email hygiene and configuration.&nbsp;<\/p>\n\n\n\n<p>Being proactive doesn\u2019t hurt. In fact, it can help.<\/p>\n\n\n\n<p>Setting up email warmup, authentication, and DNS health monitoring puts you in a position where 421-class errors are caught early, resolved quickly, and don&#8217;t compound into longer-term reputation damage. The senders who reach the inbox consistently are not the ones who never encounter errors \u2014 they are the ones who have the right systems in place to detect and address them fast.<\/p>\n\n\n\n<p>Instituting email deliverability measures like email warmups, email authentication, and DNS status check helps you be one step ahead of these errors.&nbsp;<\/p>\n\n\n\n<p>Don\u2019t let SMTP errors disrupt your email communication.&nbsp;Explore what Warmy.io can do for you and your business.<\/p>\n\n\n\n<p><a href=\"https:\/\/app.warmy.io\/signup\" rel=\"noopener\" target=\"_blank\" rel=\"noopener noreferrer\">Sign up for a free trial<\/a> (no credit card required) or <a href=\"https:\/\/www.warmy.io\/book-a-demo\" target=\"_blank\" rel=\"noopener noreferrer\">schedule a free consultation<\/a> with a deliverability expert.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"How Warmy.io Works in 2026\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/smB4UXIV_Xk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>There are many SMTP-related errors that email senders encounter daily. Some stem from IP reputation concerns, while others are temporary, retryable failures that resolve on their own. SMTP error 421 4.3.2 (Service Shutting Down) is a 4xx-class soft bounce \u2014 meaning it is temporary and your mail server should retry delivery automatically. The receiving server [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[],"class_list":["post-4016","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-deliverability"],"acf":[],"lang":"en","translations":{"en":4016},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/posts\/4016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/comments?post=4016"}],"version-history":[{"count":7,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/posts\/4016\/revisions"}],"predecessor-version":[{"id":7639,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/posts\/4016\/revisions\/7639"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/media\/7638"}],"wp:attachment":[{"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/media?parent=4016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/categories?post=4016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.warmy.io\/blog\/wp-json\/wp\/v2\/tags?post=4016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}