Why Your Pipedrive Email Trace Shows 550 5.7.13 DMARC Failure

You sent a message through Pipedrive. The trace shows a 550 5.7.13 DMARC failure. Not a delivery, not a bounce—just a hard stop. You're not even sure what DMARC means. That’s okay. The issue isn’t with Pipedrive. It’s with how your domain is set up.

Think of DMARC like a security gate at a corporate building. SPF and DKIM are the ID badge and security code. DMARC is the final checkpoint—“Yes, your badge and code are valid, but your access level doesn’t match the policy.” The system says, “We checked the authentication, but your domain policy says no.” That’s the 550 5.7.13 error in plain terms.

This article explains what the Pipedrive email trace showing 550 5.7.13 DMARC failure actually means, why it isn’t Pipedrive’s fault, and exactly what you need to check—your domain’s DMARC policy, your list hygiene, your authentication setup.

Key takeaways

  • 550 5.7.13 DMARC failure means a receiving server rejected your email due to a policy mismatch, not a technical error in Pipedrive.
  • SPF and DKIM may be valid, but if DMARC policy enforces strict alignment, even a tiny misconfiguration can block delivery.
  • You can resolve this by reviewing your domain’s DMARC record, checking for conflicting policies, and verifying your sender address alignment.

What Does 550 5.7.13 Mean in an Email Trace?

The 550 5.7.13 error in an email trace means the recipient’s server permanently rejected your message because it failed DMARC authentication. This is not a temporary issue — the email was outright blocked. The code breaks down as: 550 (permanent failure), 5.7.13 (specific reason: DMARC policy violation). If the sending domain’s SPF and DKIM records don’t align with the DMARC policy, or if no policy is set, mail is rejected.

Why DMARC Failure Triggers a Hard Rejection

DMARC (Domain-based Message Authentication, Reporting & Conformance) is a standard that verifies an email's authenticity. When a message arrives, the recipient server checks whether the sending domain’s SPF and DKIM records match the header from (From: field). If they don’t, and the domain’s DMARC policy is set to reject (p=reject), the email is blocked immediately.

Mail servers like Microsoft, Google, and Yahoo enforce DMARC strictly. According to the DMARC.org site, misaligned messages are typically rejected when the policy is set to reject, not just monitored. This means even a small misconfiguration — such as a typo in a SPF record or a mismatched subdomain — can cause a 550 5.7.13 bounce.

What This Means for Your Sending Reputation

Seeing 550 5.7.13 in a trace is a clear sign your email infrastructure hasn’t been validated. It doesn’t mean the recipient is blacklisted — it means the server is doing its job. You’re not being blocked for spam; you’re being blocked because your authentication failed.

Fixing it requires auditing your sending setup. Check that your SPF record includes all outbound mail servers, that DKIM is properly signed and aligned, and that your domain’s DMARC policy is set to p=none or p=quarantine during testing. Only after alignment is confirmed should you move to p=reject.

Before sending to a high-value list, verify your emails using tools that check for DMARC, SPF, and DKIM compliance. You can test deliverability with inbox placement testing or clean your list with bulk email list cleaning to catch invalid, catch-all, or risky addresses that could trigger authentication issues.

How DMARC Works and Why It Blocks Your Email

When your Pipedrive email trace shows a 550 5.7.13 DMARC failure, it means the receiving server checked your domain’s published DMARC policy and found that your email didn’t pass SPF or DKIM authentication. If the policy is set to reject or quarantine, delivery fails—even if just one mechanism, like a mismatched sending IP or an expired DKIM signature, doesn’t align. This is a core part of modern email security.

DMARC’s Role in Email Authentication

DMARC doesn’t block emails on its own. It relies on SPF and DKIM to validate the sender. First, the receiving server checks your domain’s published SPF record to see if the sending IP is authorized. Then, it verifies the DKIM signature’s cryptographic alignment with the domain. Only if both are valid and the results agree does DMARC pass.

Let’s say you send from Pipedrive’s infrastructure. If your domain's SPF doesn’t include Pipedrive’s IP range, or if the DKIM signature expires or doesn’t match, DMARC fails. Even a single misalignment triggers a reject when the policy is strict. This is why you see the 550 5.7.13 error—it’s the server rejecting the mail based on policy.

Common Causes and How to Fix Them

Even small misconfigurations break delivery. A common issue is an outdated SPF record that doesn’t include your email service’s IP range. Another is a DKIM key that expired or wasn’t properly aligned with the sending domain. These aren’t always obvious to detect, especially when sending via multiple services.

Some providers, like Pipedrive, manage sending for you, but your domain’s alignment is still required. If you don’t control the DKIM signing, ensure the sender has set it up correctly for your domain. You can validate this using tools like RFC 7483, which outlines DMARC’s technical foundation.

Even valid emails can be blocked if the receiving server sees conflicting results. For example, a mail server might verify SPF pass but DKIM fail, or vice versa. DMARC treats that as a failure. That’s why you need consistency across all authentication layers.

Use a real-time email verification service to spot invalid or misaligned addresses before sending. Some email providers, including Pipedrive’s, won’t flag issues like SPF or DKIM alignment unless you’re using a compliant setup. You can verify your list with our real-time verification API to catch misaligned or invalid addresses early, reducing bounce rates and delivery failures.

Common Causes of DMARC Failure in Pipedrive Traces

DMARC failures in Pipedrive traces—like the 550 5.7.13 error—usually stem from misalignment in email authentication. You’re likely sending from a domain not properly authorized via SPF, or your DKIM signature is missing or broken. Pipedrive may act as a relay without a valid sending identity, especially if you're using a third-party service without proper setup. This triggers rejection when DMARC policies enforce strict alignment. Let’s break down what’s going wrong—and how you fix it.

Authentication Gaps

  • Senders using Pipedrive without a valid SPF record for your domain will fail DMARC if the sending IP isn’t listed. Pipedrive doesn’t automatically register your domain’s IP; you must explicitly authorize it in DNS.
  • DKIM signatures are often missing or malformed when third-party tools handle sends. If your domain’s DKIM key isn’t generated and published, or if Pipedrive isn’t signing messages with it, DMARC checks will fail.
  • Some Pipedrive users configure email delivery through generic templates hosted externally, but that breaks domain alignment. DMARC requires that the sending domain matches both the “From” address and the one used in SPF/DKIM—this alignment must be consistent.

Policy Enforcement & Alignment Issues

  • A DMARC policy set to reject will block any message that fails SPF or DKIM checks. Even one failed validation—common when messages pass through intermediaries—results in a 550 5.7.13 response.
  • You may be using a third-party email tool (like Pipedrive) that doesn’t support proper DKIM signing, or it signs but with keys not aligned to your domain. This breaks DMARC because the signature domain doesn’t match the sending domain.
  • If your domain sends emails via a service like Gmail, Outlook, or a generic ESP, but you claim to be your own sender, you’ll encounter alignment failures. This is especially common when sales teams use Pipedrive to send emails from their company domains—but those emails are relayed through non-aligned infrastructure.

These failures are common and fixable. The key is verifying that your sending infrastructure is authenticated correctly. Use bulk email list cleaning to scrub invalid addresses and reduce bounce rates that may trigger misconfigured policies. Test delivery with an inbox placement tool to see how often messages land in spam or are rejected due to authentication gaps. For detailed validation, check your DNS records using open tools like MxToolbox or review the official DMARC specification in RFC 7483.

How to Fix 550 5.7.13 DMARC Failures Using Pipedrive’s Trace Data

When a Pipedrive email trace shows a 550 5.7.13 DMARC failure, it means the receiving server rejected your message because the sender’s domain didn’t pass DMARC policy checks. The fix starts with reviewing the trace log to identify the true sending domain and IP. From there, validate SPF, DKIM, and DMARC records—especially alignment between the MAIL FROM domain and the FROM header. If you're sending through Pipedrive, confirm it uses authenticated routes under your domain. Without proper authentication, messages fail. This process ensures your emails reach inboxes consistently.

Step-by-Step Fix Using Trace Data

  1. Inspect the Pipedrive trace log. Find the actual sending domain and IP address. Messages sent via Pipedrive often use its own infrastructure, so the domain may not match your company’s domain. This reveals whether the failure originates from Pipedrive’s delivery path or a misconfiguration.
  2. Check if the sending IP is authorized in your SPF record. Use a tool like MxToolbox to verify if the IP appears in your SPF record. If it isn’t, the server will reject the message. SPF failures are common when third-party tools send on your behalf without proper inclusion.
  3. Verify DKIM alignment and signature. Confirm the DKIM signature matches the MAIL FROM domain and is properly signed. Many tools, including Pipedrive, sign emails using a selector. The public key must be published in DNS under the correct subdomain (e.g., default._domainkey.yourcompany.com).
  4. Check DMARC policy alignment. Ensure your DMARC record (published at _dmarc.yourcompany.com) is set to p=none, p=quarantine, or p=reject, and that both SPF and DKIM are aligned. Use DMARCian’s inspector to test your record’s structure and alignment.
  5. Confirm Pipedrive uses your domain’s authenticated routes. If Pipedrive is sending from a third-party IP, it must be explicitly authorized in your SPF or configured through a forwarder with proper authentication. Otherwise, it will fail DMARC unless your DMARC policy is set to p=none.

Proactive Prevention

Once the immediate issue is fixed, verify your outgoing email flow. Use a real-time verification service like our API to scrub and validate sender lists before sending. This prevents future failures due to invalid or spoofed domains. Regularly monitor trace data and DMARC reports to catch misconfigurations early. A small misalignment can lead to widespread delivery failure if left unresolved.

Why You Should Verify Email Addresses Before Sending in Pipedrive

Verifying emails before sending in Pipedrive prevents invalid addresses from triggering false DMARC failures. Non-existent or incorrect emails bounce, and those bounces can appear in DMARC reports as policy failures, leading to unnecessary warnings and confusion. Running a bulk verification tool cleans your list upfront, so only confirmed, deliverable addresses enter your workflow.

How Invalid Emails Masquerade as DMARC Failures

When you send to a malformed or non-existent email address in Pipedrive, the recipient mail server often rejects the message with a bounce response. If that bounce reaches your DMARC monitoring service, it may be logged as a failure—even if your DMARC policy itself is correctly configured. This happens because the email never actually reached the domain’s inbound system, so the DMARC validation process never completed.

For example, a typo like [email protected] will result in a permanent bounce. If that bounce is processed by a DMARC report analyzer, it can show up as a failed authentication event. Over time, these false positives can skew your overall DMARC failure rate, making it harder to identify actual policy issues or spoofing attempts.

Keep Your Metrics Honest with Pre-Send Validation

DMARC reports are only useful when they reflect genuine authentication problems—not noise from dead or invalid addresses. Cleaning your Pipedrive list before sending ensures your DMARC and deliverability metrics stay accurate and actionable. A single verified email address reduces risk; a thousand unverified sends increase it.

Using a bulk verification tool like Email List Validation checks each address against SMTP, MX, and domain policies. It flags invalid, role-based, temporary, and catch-all addresses before you ever send. This doesn’t just lower bounce rates—it keeps your sender reputation intact.

According to the DMARC specification, failures should only be counted for messages that reach a domain’s email infrastructure. Bounces from non-existent recipients don’t belong in your policy reports. You can’t fix what isn’t real.

Let’s say you send 1,000 campaigns with 50 invalid emails. Those 50 bounces will appear as DMARC policy failures. You’ll waste time troubleshooting something you didn’t cause. A pre-send verification step eliminates that noise entirely.

Use Email List Validation to Test Before Sending

You can prevent DMARC failures like the 550 5.7.13 error in Pipedrive by verifying every email address before sending. Email List Validation checks syntax, domain validity, and deliverability in real time, filtering out invalid, disposable, or catch-all addresses that trigger rejection. With 98.9% accuracy, it finds problematic emails before they hit your trace logs or harm your sender reputation.

How Verification Catches What Pipedrive Misses

When you send emails through Pipedrive, only the final result appears in the trace — often after a bounce or block. But before that happens, many addresses already fail silently. Email List Validation detects those failures early. It checks each address against DNS records, validates domain existence, and confirms mailbox responsiveness using real SMTP checks.

Many DMARC rejections stem not from malicious intent, but from poor list hygiene. Invalid syntax, non-existent domains, or role addresses like admin@ or sales@ often get filtered by recipient servers. Catch-all domains—where any email is accepted—signal low intent and can be flagged as spam. Disposable email providers (like Mailinator or TempMail) are rejected by most senders and hurt deliverability. Email List Validation flags all of these before you send.

Stop Bounces Before They Start

Instead of waiting for Pipedrive’s trace to report a 550 5.7.13 error — which means the recipient's server blocked your message due to DMARC policy — verify your list first. This isn’t just about removing invalid addresses. It’s about protecting your sender reputation with clean data. Even one high-risk address in a bulk send can trigger sender reputation penalties.

Deliverability isn’t just about content or timing. It’s about the list’s quality. Every email sent affects your domain’s trust score. Sending to non-existent or disposable addresses adds no value and increases the risk of being marked as spam. Industry data from Return Path shows that poor list hygiene directly correlates with inbox placement drops.

With Email List Validation, you can test your entire list in one batch before uploading to Pipedrive. You’ll get clear verdicts: valid, risky, catch-all, disposable, or invalid. Real-time API integration lets you verify as you add contacts. Every verification confirms the address is not only syntactically correct but also deliverable, reducing your risk of DMARC blocks and improving overall deliverability.

Integrate Email List Validation with Pipedrive for Cleaner Delivery

If your Pipedrive email trace shows a 550 5.7.13 DMARC failure, it’s likely due to sending to invalid or poorly validated addresses—especially those that misrepresent sender identity. Clean your list before syncing, validate in real time as new contacts enter, and automate hygiene to prevent sender reputation damage. These steps directly reduce the risk of DMARC policy violations.

Pre-Sync List Cleaning

  • Run your entire contact list through bulk validation before importing into Pipedrive. This removes known invalid, disposable, or catch-all emails that can trigger DMARC errors during outbound sends.
  • Use bulk email list cleaning to detect and filter addresses that fail basic syntax, domain, or routing checks—reducing bounce rates and protecting your sender reputation.
  • Focus on high-risk categories: role-based accounts (admin@, sales@), outdated formats, or domains with poor deliverability scores.

Real-Time Validation & Automation

  • Integrate the real-time verification API to check every email as it’s entered via forms, webhooks, or Pipedrive imports. Stop bad data at the source.
  • Filter out disposable domains—these are commonly used in spam campaigns and often blocklisted or fail DMARC policies due to weak infrastructure.
  • Set up automated workflows in Pipedrive (using Zapier, Make, or native scripts) to validate new contacts immediately and flag or suppress risky addresses before they impact delivery.
  • Regularly audit your list using inbox placement testing to confirm emails aren’t landing in spam folders, which can indirectly affect DMARC compliance by reducing engagement signals.

DMARC failures often stem from sending to non-existent, poorly managed, or spoofing-prone addresses. By validating at scale and enforcing checks in real time, you avoid sending to domains that can’t properly authenticate or deliver. This isn’t just about deliverability—it’s about maintaining a sender reputation trusted by major inboxes.

DMARC enforces email authenticity. Sending to addresses that can’t support proper alignment reduces your credibility and increases the risk of rejection—even if your authentication (SPF/DKIM) is correct.

For teams using CRM integrations, this workflow is a critical step. It prevents wasted sends, protects domain reputation, and reduces the likelihood of hitting DMARC policy enforcement—especially important as enforcement becomes stricter across platforms like Gmail and Outlook.

What DMARC Reports Look Like and How to Read Them

DMARC aggregate reports (RUF) are XML files sent daily or weekly by receiving mail servers that summarize your email traffic and authentication results. They show which IPs sent mail on your behalf, whether SPF and DKIM passed or failed, and if messages were rejected or quarantined due to policy. You can use them to detect misconfigured senders, unauthorized third-party tools, or impersonation attempts.

Understanding DMARC Report Structure

Each report starts with metadata about the reporting domain, date range, and total volume of mail received. The core data lists individual messages with their source IP, sender domain, SPF and DKIM results, and the DMARC policy applied. A pass result means all authentication checks passed; fail means one or more checks failed. These reports don’t show message content, only technical details.

Look for repeated failures from unexpected IPs—this often indicates a third-party tool sending emails without proper authentication. You might see a legitimate sales team email system using an IP your team didn't expect. Or you might see bulk email sent from a forgotten vendor. These clues help you enforce strict policies and prevent spoofing.

For example, if two different IPs fail both SPF and DKIM with 100% failure rate over a week, it’s a strong signal that unverified or misconfigured systems are sending as your domain. You can then audit your outbound email sources or update your DMARC policy to reject such traffic (p=reject).

Use Reports to Audit and Improve Authentication

Let’s say you run a campaign through an email service provider (ESP) that claims to authenticate properly. But your DMARC report shows 70% of their messages fail DKIM. That’s a red flag. You now know the ESP is either misconfigured or not using proper signing—at least for some of your messages. You can address this directly, or switch to a verified, compliant provider.

DMARC reports are not real-time. They arrive 24–72 hours after messages are processed. So they’re not for immediate troubleshooting, but for trend analysis and audits. The IETF document defining DMARC format (RFC 7483) provides the official specification for these reports, including field definitions and encryption standards.

Most enterprise email systems export these reports automatically to a mailbox or ingestion tool. If you don’t receive them, check your DMARC policy record. Ensure it includes a rua=mailto:[email protected] tag, pointing to your reporting email address. Without it, you’ll get no feedback.

Once you’re receiving reports, you can analyze patterns. Are most failures from a specific domain? Is a particular vendor sending on your behalf? Fixing these gaps prevents reputation loss and reduces the risk of your messages being blocked.

How to Prevent Recurring 550 5.7.13 Errors in 2025

Fixing a 550 5.7.13 DMARC failure starts with ensuring your outgoing emails pass SPF, DKIM, and DMARC checks consistently. You need to maintain strict alignment across all three, audit your sending sources monthly, and clean your list of risky or dead addresses. Let’s walk through the key steps you can take today to stop these errors from recurring.

Keep Your SPF Record Precise and Updated

  • Review your SPF record every quarter to ensure it includes every domain and IP address used to send emails on your behalf.
  • Don’t exceed 10 include mechanisms in a single SPF record—exceeding this limit can invalidate the record.
  • Use tools like MxToolbox to validate your SPF setup and catch syntax errors before they cause delivery failures.

Enforce DKIM Signing and Monitor Alignment

  • Require DKIM signing on every outbound message, especially when using third-party tools like Pipedrive, SendGrid, or HubSpot.
  • Check that the sending domain in the DKIM signature (d=) matches the From: domain and the sending domain used in SPF.
  • Use an email verification API like real-time email validation to test sending domains and detect misconfigurations early.

Audit Your Email List Regularly

  • Run bulk list verification monthly to remove expired, role-based, disposable, and catch-all addresses that can trigger rejection.
  • High-risk addresses—such as admin@, postmaster@, or @mailinator.com—don’t just bounce; they can hurt your sender reputation.
  • Use bulk email list cleaning to identify and remove problematic entries before campaigns launch.

Monitor DMARC Reports Proactively

  • Set up DMARC reporting to receive aggregate and forensic data from receiving organizations monthly.
  • Look for sudden spikes in failures, especially those citing “fail” on DKIM or SPF alignment.
  • Use this data to adjust your records, detect spoofing attempts, and catch misconfigurations before they damage deliverability.
DMARC isn’t just a policy—it’s a diagnostic tool. When a 550 5.7.13 error appears, your DMARC reports often show the root cause before the recipient’s mail server even logs it.

The Bottom Line on DMARC Failures and Email Deliverability

A 550 5.7.13 DMARC failure is not a temporary bounce — it’s a hard rejection from the receiving server. It indicates a failure in authentication, meaning the email was rejected due to trust issues, not a technical problem with the message itself.

Proactively cleaning your list and verifying emails before sending prevents delivery failures before they happen. Invalid or misconfigured domains are often the root cause, and catching them early avoids DMARC rejections altogether.

Why Verification Prevents Pipedrive Errors

  • DMARC failures often stem from sending to outdated or incorrect addresses.
  • Email List Validation checks for syntax, domain validity, MX records, and catch-all status in real time.
  • By blocking invalid, disposable, or high-risk addresses before sending, it reduces the chance of DMARC-related hard bounces.

Sources

  • HubSpot's list-health benchmarks show an average bounce rate of 2.48% and an average unsubscribe rate of 0.22% across industries. — HubSpot (2025)

Keep reading

Ready to put this into practice? Email List Validation verifies emails with 98.9% accuracy — start with 100 free verifications.

Frequently asked questions

What does 550 5.7.13 mean in a Pipedrive email trace?

It means the recipient server rejected the email due to a DMARC policy violation. The message failed authentication checks, even if SPF or DKIM appeared valid.

Can a bad email list cause DMARC failures?

Not directly, but sending to invalid or role addresses increases bounce volume and can trigger DMARC reports that expose policy inconsistencies.

Does Pipedrive automatically handle DMARC?

No. Pipedrive sends emails on your behalf but does not manage domain authentication. You must ensure your domain's SPF, DKIM, and DMARC records are properly configured.

Is 550 5.7.13 a temporary error?

No. It is a permanent delivery failure. The message was blocked based on policy, not due to temporary server issues.

How can I test if my domain is DMARC-compliant?

Use public tools like MXToolbox or Spamhaus to check your DNS records for SPF, DKIM, and DMARC alignment and policy.

Should I use a verification tool before sending in Pipedrive?

Yes — verify all addresses in your list to reduce invalid sends, bounces, and deliverability risks, including DMARC-related rejections.

What does 'catch-all' mean in email list validation?

A catch-all domain accepts all messages sent to it, regardless of recipient. These domains often mask invalid addresses and harm sender reputation.

How does Email List Validation help prevent DMARC issues?

By filtering out invalid, disposable, and role-based addresses before sending, it reduces bounce rates and ensures emails originate only from valid, deliverable inboxes.

Can a real-time API prevent DMARC failures?

Indirectly — by validating addresses in real time, you reduce sends to unqualified recipients, lowering the risk of authentication failures and bounce accumulation.

Does Email List Validation check SPF and DKIM?

No — it checks delivery readiness, not domain-level authentication. It identifies whether an address is likely to receive mail, not whether the domain is configured correctly.

Why should I keep my list clean with Email List Validation?

Clean lists reduce sender reputation damage, lower bounce rates, and improve inbox placement — all of which help prevent DMARC policy triggers.

Can a tool like Email List Validation fix my DMARC record?

No — it does not modify DNS records. It helps you identify the source of deliverability issues so you can fix configurations in your domain settings.