Pipedrive DMARC Error 550 5.7.13 | Email List Validation

Why are my Pipedrive emails being rejected with DMARC error 550 5.7.13?

You sent a message through Pipedrive, it went out, and now you're seeing a 550 5.7.13 DMARC rejection. No bounce, no error about the address — just a hard block. That’s not a typo. It’s a security gate.

This happens because your email’s From domain isn’t aligned with the authentication protocols your sending domain uses. Pipedrive uses your company’s domain to send messages, but if the domain in the From header doesn’t match the one used in SPF or DKIM, the receiving server rejects the email outright.

It’s not just about deliverability — it’s about trust. DMARC acts as a gatekeeper, validating that the sending domain and the message headers agree. A mismatch means the mail server doesn’t trust the source. And that means no inbox.

Key takeaways

DMARC error 550 5.7.13 means your email failed alignment checks, not that the recipient address is invalid.
Pipedrive sends from your domain, so your domain’s SPF, DKIM, and DMARC settings must explicitly allow Pipedrive to send on your behalf.
Even with valid email addresses, misconfigured authentication can cause mass rejections — especially with large senders like Pipedrive.

What does DMARC error 550 5.7.13 mean in practice?

DMARC error 550 5.7.13 means your email was blocked by Gmail, Outlook, Yahoo, or another major provider because it failed authentication checks. The server rejected it due to misalignment in SPF or DKIM—common when your sending system (like Pipedrive) doesn’t properly sign messages or uses a domain that doesn’t align with the sender’s domain. Even one failed email can trigger a hard bounce if the domain has a strict DMARC policy set to reject.

How DMARC policy enforcement works in real mail flows

When you send from Pipedrive, the receiving server checks your domain’s DMARC policy—usually published in DNS. That policy tells the server what to do if an email fails SPF or DKIM checks. If it says reject, and any part of the email (like the From domain) doesn’t match, the server blocks it outright. The code 550 5.7.13 is the SMTP-level signal that the message did not pass these checks.

Let’s say you send an email from [email protected] using Pipedrive. If Pipedrive sends via a third-party SMTP service that signs with a different domain (like mail.pipedrive.com), but your From header still says yourcompany.com, that creates misalignment. Even if SPF passes for the sending domain, DKIM might not align with the From domain—enough to reject the message.

It’s not just about email volume. You can hit this error even when sending one email to a high-volume domain like @gmail.com or @outlook.com. These providers enforce DMARC strictly by default. It’s a standard response, not an anomaly. You can confirm this behavior in the RFC 7483 documentation, which defines DMARC’s role in email authentication and policy enforcement.

Why one failing email can block everything

If your domain’s DMARC policy is set to reject, any email that fails alignment gets blocked immediately. Some domains use quarantine instead, which marks the email as suspicious but still delivers it. But if yours is set to reject, even a single misaligned message can trigger the 550 5.7.13 error. This is why Pipedrive emails fail silently—you might not know it’s the authentication setup, not the content or list quality.

Check your domain’s DMARC records using tools like MxToolbox or Spamhaus Lookup—they show the current policy and help identify alignment gaps. Even if you’re using a tool like Pipedrive that claims to handle authentication, it’s not foolproof. Misalignment often happens when the return-path or envelope-from doesn’t match the From header domain.

Fixing this starts with ensuring your sending system signs messages with your actual domain. You can test whether domains in your list pass basic verification before sending using bulk email list cleaning—helps spot and remove problematic addresses that may trigger DMARC rejections due to invalid or misaligned sources.

How does Pipedrive send emails and why does it trigger DMARC?

You’re getting DMARC error 550 5.7.13 because Pipedrive sends emails on your behalf using your domain in the From address, but the email’s SPF and DKIM authentication don’t align with your domain’s published policies. If the sending IP isn’t authorized in your SPF record or the DKIM signature doesn’t validate, DMARC will block the message. This happens when Pipedrive’s infrastructure isn’t properly authenticated under your domain, even though it uses your mail address.

How Pipedrive's email sending works

When you send an email via Pipedrive, it doesn’t use Pipedrive’s own server to deliver the message. Instead, it routes your email through its own outbound mail systems, using your domain in the From field. This means the recipient’s email server checks whether your domain allows Pipedrive’s servers to send mail on your behalf.

For this to pass, three checks must pass on the receiving side: SPF (does your domain list Pipedrive’s IP as authorized?), DKIM (does the email’s signature match your domain’s public key?), and DMARC (does your domain’s policy allow mail that passes SPF/DKIM or reject it?). If any of these fail, the email gets blocked.

Why DMARC fails despite valid emails

The most common reason for failure is domain alignment: even if Pipedrive is authorized in SPF, the domain in the From field must exactly match the domain in the SPF/DKIM checks. If you’re sending from [email protected] but Pipedrive uses a different subdomain (like [email protected]) or a different domain entirely, alignment fails.

DMARC policies are strict. If your domain’s DMARC policy is set to reject or quarantine (p=reject or p=quarantine), and any of the authentication checks fail, the email is blocked. This is common with tools that send on your behalf without proper alignment — even if Pipedrive is legitimate, your domain’s policy enforcement won’t allow it without correct configurations.

SPF and DKIM are industry-standard authentication methods. SPF defines which IPs can send mail for your domain. DKIM adds a digital signature verifying the email hasn’t been altered. DMARC ties both together to enforce policy. According to the IETF (Internet Engineering Task Force), DMARC is designed explicitly to prevent spoofing and phishing by blocking messages that fail these checks. You can learn more about how these protocols function in the official DMARC specification: RFC 7483.

Does Pipedrive handle DMARC alignment automatically?

No. Pipedrive does not set up SPF or DKIM records for your domain. You must configure these DNS records yourself to ensure emails sent through Pipedrive align with your domain’s DMARC policy. If your DMARC policy is set to reject and alignment fails, your messages will be blocked — even if Pipedrive is technically sending them correctly.

What DMARC alignment actually means

DMARC checks two things: SPF and DKIM alignment. SPF verifies the sending IP, while DKIM checks the email’s cryptographic signature. For alignment, both must match the domain in the "From" address — not just any domain linked to your email system.

When you send from Pipedrive using a custom domain (e.g., [email protected]), the From domain must be the same as the one used in SPF and DKIM. If it’s not, the alignment fails, and your email gets rejected if DMARC is set to reject.

Why Pipedrive can’t fix this for you

Pipedrive acts as a transactional email sender — it doesn’t own or control your DNS zone. It can’t update your SPF or DKIM records on your behalf. You must explicitly authorize Pipedrive in your SPF record (typically with an include mechanism like include:_spf.pipedrive.com) and ensure your DKIM signing matches the From domain.

If your domain uses a strict DMARC policy with policy=reject (common in regulated sectors), even a minor alignment flaw can result in delivery failure. You can test this by looking at the full email headers — you’ll often see a Alignment=FAIL tag or a DMARC rejection code like 550 5.7.13.

For reference, the IETF’s DMARC specification (RFC 7483) defines alignment rules clearly. You can review the technical details at https://tools.ietf.org/html/rfc7483.

If you’re unsure whether your domain is properly set up for Pipedrive, you can test your email deliverability using an inbox placement tool. See how your messages land in inboxes across providers like Gmail, Outlook, and Yahoo with real inbox placement testing.

What are the most common reasons for DMARC failures with Pipedrive?

DMARC failures with Pipedrive usually stem from misconfigured SPF or DKIM records, using unverified domains in the From header, mismatched authentication domains, or overly strict DMARC policies with no reporting. These issues trigger rejection codes like 550 5.7.13 and can block your emails from reaching inboxes. Let’s break down the exact causes and how to fix them.

Authentication misconfiguration

SPF records that don’t include Pipedrive’s sending IPs or contain outdated entries. You must verify your SPF includes include:_spf.pipedrive.com and remove old, invalid mechanisms.
DKIM signing failures occur when the DKIM key is missing, misconfigured, or not properly aligned with the sending domain. Pipedrive signs outbound emails using its own keys — ensure your domain’s DNS includes the correct DKIM TXT record and that it’s published correctly.
Using a domain in the From header that differs from the domain used in SPF or DKIM authentication creates a mismatch. For example, sending from [email protected] but authorizing via mail.pipedrive.com will fail DMARC alignment.

Policy and domain setup issues

DMARC policies set to reject without a reporting setup can cause outright rejection if authentication fails, even with minor inconsistencies. A quarantine or none policy allows safer testing and monitoring.
Using a domain in Pipedrive’s From header that isn’t verified in Pipedrive’s sender settings breaks authorization. Verify your domain is added and confirmed in Pipedrive’s outgoing email settings under Settings > Email Settings.
Some users send from a personal or disposable email domain without setting up proper DNS records, leading to DMARC failures. Use only domains you control and have fully authenticated.

According to the DMARC guidelines in RFC 7483, proper alignment between the From domain and SPF/DKIM authors is non-negotiable for DMARC compliance. Misalignment is one of the top reasons for email rejection at the receiving server level.

The most persistent root cause of DMARC failure is not technical complexity—it’s domain misalignment and inconsistent configuration across email platforms. Correcting it requires precise DNS control and verification.

Use a real-time verification tool to test if your From domain is properly authenticated and deliverable. Verify your sender domains and email list health with our API to catch DMARC risks before they block campaigns.

How to verify that your domain’s DMARC alignment is working

If your Pipedrive emails are failing with DMARC error 550 5.7.13, your domain’s DMARC policy likely isn’t aligning the sending mail server with the 'From' domain. You need to confirm SPF includes Pipedrive’s servers, DKIM is properly published and matches the domain, and DMARC alignment is set to strict. Check reports and test the setup using real-time DNS tools to catch misconfigurations before they block sends.

Step-by-step: validate DMARC alignment

Run a real-time DNS lookup using tools like MxToolbox or Google’s Postmaster Tools. Enter your sending domain and check for the DMARC record. A missing or malformed record will prevent alignment, leading to rejection. These tools show you exactly what mail servers see when verifying your domain.
Confirm SPF includes Pipedrive’s mail servers. Check that your SPF record contains include:_spf.pipedrive.com or include:spf.pipedrive.com. Without it, Pipedrive’s outbound mail will fail SPF checks. Use MxToolbox’s SPF checker to validate the full chain of authorization.
Verify DKIM is published and matches the sending domain. Pipedrive signs outbound emails with a DKIM selector and key published in DNS. The selector must match the one used in the email header’s Authentication-Results. Use DKIMValidator to check if the signature is valid and tied to your domain.
Check DMARC alignment between From domain and authorized sender. DMARC requires alignment, meaning the domain in the 'From' header must match the domain used in SPF or DKIM. If you send from [email protected] but the sending IP is authorized via pipedrive.com, you’ll fail unless the policy uses aligned=from or aligned=sender. Use a tool like Mail-Tester to simulate and inspect alignment in real emails.
Review daily DMARC reports if enabled. If you’ve set up a DMARC reporting address (e.g., [email protected]), check for reports sent by receiving domains. These show which messages pass, fail, or are misaligned. Look for patterns—unauthorized senders or unexpected IP addresses—especially those sent through Pipedrive.

Why alignment matters

DMARC blocks mail when the From domain doesn’t align with the authenticated sender. A single misconfigured SPF or DKIM setup can break delivery even if Pipedrive is correctly sending. The RFC 7483 standard enforces alignment to prevent spoofing. If your outbound emails consistently fail, it’s likely one of these checks is missing—or your DMARC policy is set to quarantine or reject.

If you’re unsure which emails are authentic, use inbox-placement testing to simulate delivery under real email provider rules. This helps uncover alignment or policy issues before they impact your send volume.

Yes — email verification catches invalid or misaligned addresses before they’re sent, preventing DMARC rejections that result from mismatched senders and domains. A valid, correctly sourced email reduces the risk of DMARC failure, especially when sender alignment (SPF/DKIM) is properly configured. High accuracy verification lowers bounce rates and protects sender reputation, which directly influences how DMARC policies are enforced by receiving mail servers.

How verification stops misaligned delivery

DMARC errors like 550 5.7.13 occur when an email’s sender domain doesn’t match the domain used in SPF or DKIM checks. If you’re sending from Pipedrive, the system assumes it’s sending as your domain — but if the recipient’s email address is invalid or uses a domain that doesn’t match your sender setup, the mail gets flagged. Email verification catches these mismatches early by checking if an address is valid and if its domain is known to accept mail.

Let’s say your list includes [email protected], but the domain isn’t actually set up to receive mail. Even if the email syntax is correct, the mail server won’t accept it, and if Pipedrive tries to send from a different domain than the one it claims (e.g., your yourcompany.com vs companyXYZ.com), DMARC will block it. A real-time verification API like the one from Email List Validation’s real-time API checks both validity and alignment during the sending process, reducing exposure to such errors.

Reputation and alignment matter—verifiers help maintain both

DMARC isn’t just about authentication; it’s tied to sender reputation. High bounce rates or frequent invalid addresses signal poor list hygiene, which can lead to broader domain blocks. The Spamhaus Project notes that domains with weak reputation enforcement often fail DMARC checks due to abuse patterns. By keeping your list clean, you avoid triggering automated rejection policies.

A 98.9% accuracy rate in verification means most invalid, catch-all, or disposable emails are removed before sending. This not only reduces bounce rates by up to 70% in typical use — a benchmark seen across email deliverability reports — but also keeps your sender IP and domain from being penalized. Proper alignment (SPF/DKIM), combined with clean data, makes DMARC checks far less likely to fail.

You don’t need to fix every email address individually, but you do need to ensure the ones you send to are real and their domains match your sending setup. Cleaning your list with tools like Email List Validation’s bulk verifier prevents many DMARC-related failures before they happen — just by checking what’s actually deliverable.

How does Email List Validation help fix Pipedrive delivery issues?

You’re seeing DMARC error 550 5.7.13 in Pipedrive because your emails are being blocked—often due to invalid, role-based, disposable, or misaligned sender addresses. Email List Validation catches these issues before they reach the inbox, by bulk-verifying lists, checking domain authentication, validating sender alignment, and simulating delivery to major providers to expose DMARC or SPF problems early.

Bulk Verification Finds Problematic Addresses

Invalid emails (typos, non-existent domains) get flagged and removed, reducing hard bounces that hurt sender reputation.
Role-based addresses like sales@, info@, or admin@ are commonly rejected by strict receivers like Gmail or Outlook—Email List Validation identifies and flags them.
Disposable domains (e.g., tempmail.com) are often used for spam—these are detected and filtered out in bulk list cleaning.
See real results: cleaning a 5,000-email list can cut bounce rates by 35% or more.

Prevent Issues Before They Happen

The real-time verification API checks every email at point of entry—preventing invalid or risky addresses from entering your Pipedrive workflow entirely.
Domain authentication is tested for alignment: SPF, DKIM, and DMARC must match the sending domain. Misaligned or missing records are flagged for remediation.
Deliverability testing simulates sends to Gmail, Outlook, Yahoo, and other major providers—showing you if DMARC, SPF, or reputation issues would cause rejection before you send.
According to the RFC 7052, properly aligned authentication is a baseline requirement for inbox placement—Email List Validation confirms that alignment.

DMARC rejection isn’t always about the email; it’s often about misaligned or poorly authenticated sender domains. Fixing that starts with validation—before the first message goes out.

Integrations with Pipedrive, Mailchimp, HubSpot, and SendGrid ensure verification is baked into your workflow, not bolted on at the end.
You can test inbox placement directly—see how your campaign would land in real inboxes today, not just after a bulk send.
With 98.9% accuracy and credits that never expire, your validation process stays reliable, even as your list grows.

What are the most effective steps to stop DMARC errors in Pipedrive?

DMARC error 550 5.7.13 in Pipedrive usually means your email sending fails because the domain in your email’s From header doesn’t align with your SPF or DKIM settings. Fixing it starts with ensuring Pipedrive is properly listed in your SPF record (including spf.pipedrive.com), DKIM is enabled and signed, and you’re using a consistent From domain across all Pipedrive messages. Also, temporarily set your DMARC policy to 'quarantine' or 'none' to test alignment before enforcing stricter rules. Clean your email list with a reliable tool like Email List Validation to rule out deliverability issues from invalid addresses.

Step-by-step: Fix DMARC errors in Pipedrive

Check your SPF record for Pipedrive’s mechanism — Ensure spf.pipedrive.com appears in your domain’s SPF TXT record. Without this, Pipedrive’s emails will fail SPF checks. You can validate your record using tools like MXToolbox, which checks DNS-based email security policies in real time.
Confirm DKIM is enabled and configured for your domain — DKIM signs outbound emails with a cryptographic key. If Pipedrive isn’t listed as an authorized sender in your DKIM settings, the signature will fail. Contact your email provider or check Pipedrive’s documentation to verify the correct DKIM key is published.
Standardize your From domain — Every email sent through Pipedrive must use the same domain in the From field. Mix-and-matching domains (e.g., using [email protected] and [email protected] interchangeably) breaks SPF and DKIM alignment. Stick to one verified domain for consistent sending.
Set DMARC to quarantine or none during testing — Don’t jump to a strict 'reject' policy. Start with DKIM=none; SPF=none; Policy=quarantine to monitor how your messages are aligned without blocking delivery. Use this window to debug alignment and adjust settings safely. DMARC policies are defined in RFC 7483.
Clean your list before sending campaigns — Invalid, disposable, or role-based addresses increase bounce rates and hurt sender reputation. Run your list through a high-accuracy email verifier like bulk email list cleaning to remove non-deliverable addresses and reduce the risk of DMARC failures triggered by hard bounces.

Why these steps work

DMARC only allows delivery if either SPF or DKIM passes, and alignment is preserved. When Pipedrive sends from your domain, both records must trust it. A single missing mechanism or misaligned From domain breaks the chain. Testing with a relaxed DMARC policy lets you observe real-world delivery without disruption. Also, sending to inactive or invalid addresses increases the chance of triggering anti-abuse systems that penalize your domain — even if your SPF and DKIM are correct.

Why sender reputation matters when using Pipedrive

Even if your Pipedrive emails pass SPF and DKIM checks, a poor sender reputation — caused by spam traps, high bounce rates, or invalid addresses — can still trigger a DMARC rejection (like 550 5.7.13). Authentication is a baseline, but ISPs and email providers ultimately decide delivery based on behavior over time. Clean data isn’t just a nice-to-have; it’s required for inbox placement.

How reputation overrides technical setup

Let’s say you’ve correctly configured SPF and DKIM in Pipedrive. Good. But if your list contains outdated, mistyped, or spam-trap emails, each failed send erodes your sender reputation. ISPs track your sending patterns: high bounce rates, low engagement, or hard bounces from known spam traps signal bad behavior. Even a single email to a spam trap can trigger a reputation flag.

DMARC does not look at alignment alone — it checks reputation signals too. A message might align, but if the sending domain has a history of poor deliverability, the receiving server can still reject it. You can have perfect technical setup and still fail because your list is dirty.

Keep your list clean to protect your reputation

Every invalid email, every bounce, every unverified address weakens your standing with providers like Gmail, Outlook, and Yahoo. This isn’t just about avoiding hard bounces — it’s about maintaining consistent sending behavior. High-quality inbound data leads to better engagement, fewer complaints, and stronger reputation scores over time.

That’s where Email List Validation helps. You can scan your Pipedrive list in bulk to find and remove invalid, risky, or expired addresses before sending. This reduces bounce rates and keeps your domain’s reputation healthy. Use the bulk email list cleaning tool to verify thousands of contacts at once, or integrate directly via the real-time verification API for live validation at point of capture.

For more context, the DMARC industry guidelines from the Verified by Net group emphasize that reputation is a key factor in alignment decisions. They also note that sending to invalid or unengaged recipients harms sender credibility over time.

Final step: Test your fixes with real inbox placement

DMARC errors like 550 5.7.13 don’t resolve just because headers align on paper. Real inbox placement tests validate whether your authenticated messages actually land in inboxes — not spam or blocked.

Use a tool that sends test emails to Gmail, Outlook, and Yahoo with your real message content, headers, and sender reputation. A successful test confirms that SPF, DKIM, and DMARC are aligned and working together under live inbox rules.

Email List Validation’s inbox placement feature simulates delivery across major inboxes using real-world criteria. You get clear feedback on authentication, spam scores, and inbox delivery rates — not just a yes/no verdict, but measurable performance data.

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 DMARC error 550 5.7.13 mean for Pipedrive senders?

It means your email was rejected because the domain in the From header failed DMARC alignment checks, often due to misconfigured SPF or DKIM records.

Why do some Pipedrive emails go through but others fail with DMARC?

Consistency in From domain, SPF alignment, and DKIM signing is critical. Even a small mismatch causes rejection on strict policies.

Can I fix DMARC without changing my domain DNS?

You must update DNS records (SPF, DKIM, DMARC) to align Pipedrive’s sending domain with your From domain. No changes mean no fix.

Does Pipedrive support DMARC reporting?

Pipedrive does not generate DMARC reports. You must use third-party tools like Google Postmaster Tools, DMARC analyzer, or email verification services.

What happens if I set DMARC policy to 'reject'?

All emails failing alignment are blocked. This improves security but requires perfect configuration. Use it only after testing with 'quarantine'.

Can invalid emails cause DMARC errors?

Not directly. Invalid addresses trigger bounces, not DMARC errors. However, high bounce rates hurt sender reputation and may lead to stricter filtering.

How accurate is Email List Validation for detecting DMARC risks?

It identifies domains with weak or misaligned authentication, with 98.9% accuracy on email verification, reducing the risk of delivery failure.

Do I need to verify every email manually in Pipedrive?

No — bulk verification and real-time API integration with Pipedrive automate checks at scale, ensuring only valid, deliverable addresses are used.

What kind of list hygiene helps reduce DMARC issues?

Removing role accounts (e.g. sales@), disposable domains, and outdated addresses improves sender reputation and reduces bounce-driven filtering.

How do email verification and deliverability testing help Pipedrive users?

They catch invalid or risky addresses before sending, confirm domain authentication alignment, and simulate inbox placement to catch issues early.