How to troubleshoot undelivered email messages from GoDaddy?
Matthew Whittaker
Co-founder & CTO, Suped
Published 29 Jul 2025
Updated 23 May 2026
8 min read
Summarize with
To troubleshoot undelivered email messages from GoDaddy, start with the returned message, not the GoDaddy account. Identify whether the message is a hard bounce, soft bounce, spam placement, delayed delivery, or a mailbox receiving issue. Then test DNS, SPF, DKIM, DMARC, blocklist status, and the exact GoDaddy email product in use. If the failure points to GoDaddy or a recipient-side rejection you cannot fix, open support with the exact SMTP status code, headers, timestamps, sender, recipient, sending IP, and domain.
The word undelivered is too broad to diagnose. I treat it as a symptom until the bounce text proves the cause. A 550 user unknown error, a 552 mailbox full error, a 421 temporary deferral, and a DMARC fail rejection all need different fixes. If you send one clean test message through an email tester, you get a controlled result that separates content, authentication, and DNS issues.
Fast answer
- Find the bounce: Open the non-delivery report and copy the full SMTP response, not only the short subject line.
- Classify the failure: Separate hard bounces, temporary deferrals, authentication failures, and mailbox access issues.
- Check the domain: Verify MX, SPF, DKIM, DMARC, and DNS propagation before blaming GoDaddy support.
- Escalate with proof: Send GoDaddy support the error code, headers, sending IP, recipient, and time of the failed attempt.
Start with the bounce message
A GoDaddy email issue only becomes actionable when the returned message says what failed. GoDaddy's own help material on Fix rejected email focuses on the bounce error because that is the part that tells you whether the sender, recipient, DNS, policy, or reputation caused the rejection.
I copy the complete non-delivery report into a ticket note before touching DNS. The useful parts are the SMTP status, enhanced status code, remote server name, original recipient, final recipient, message ID, and time. If the bounce says only delivery failed, expand the message details or pull the raw headers from the sending system.
Hard bounce
A hard bounce means the receiving system rejected the message permanently. Common causes include a bad mailbox, bad recipient domain, failed authentication, or a policy rejection.
- Typical codes: 550, 551, 553, and 554 often mean the sender should stop retrying until the cause is fixed.
- Best action: Fix the address, DNS, authentication, or sending reputation before sending again.
Soft bounce
A soft bounce means the message was deferred or delayed. The mail system retries, but repeated deferrals can turn into final failure after the retry window ends.
- Typical codes: 421, 450, 451, and 452 often point to rate limits, mailbox limits, or temporary DNS failure.
- Best action: Wait for retries, reduce volume, confirm DNS, and check whether the same failure repeats.
If the bounce text is vague, I compare it with a broader bounce messages workflow. That keeps the investigation grounded in the actual rejection instead of guessing whether GoDaddy, Microsoft 365, Professional Email, the recipient, or the sending app is at fault.
A six-step flowchart for diagnosing an undelivered GoDaddy email message.
|
|
|
|---|---|---|
550 user | Mailbox missing | Confirm address |
5.7.26 | Auth failed | Fix SPF/DKIM |
421 defer | Temporary limit | Retry later |
No bounce | Spam or route | Trace headers |
Use the bounce class to decide the next check.
Confirm which GoDaddy product is involved
GoDaddy can be the domain registrar, DNS host, mailbox provider, Microsoft 365 reseller, website form sender, or none of those for the failing message. That distinction matters. A domain registered at GoDaddy can still send through a CRM, route mail through Microsoft 365, and use DNS hosted elsewhere.
For inbound failures, use GoDaddy's not receiving email guidance only after you know the mailbox product. For outbound failures, start with the system that actually sent the message, because the bounce is generated by that sending path.
A GoDaddy Email & Office dashboard screenshot showing mailboxes and domain settings.
- Registrar only: If GoDaddy only registered the domain, GoDaddy support cannot fix a rejection from another sender.
- DNS host: If GoDaddy hosts DNS, check the zone for stale MX, duplicate SPF, missing DKIM, and old forwarding records.
- Mailbox provider: If the mailbox is Professional Email or Microsoft 365 from GoDaddy, inspect mailbox status and licensing.
- Website sender: If a GoDaddy form sends the email, test the form, recipient address, and sender domain authentication.
Do not assume GoDaddy owns the failure
A domain in a GoDaddy account is not enough evidence. The bounce must show the sending IP, receiving server, and rejection reason. Without that, a support ticket turns into a product routing question instead of a delivery investigation.
Check DNS and authentication
Once the bounce tells you the direction, check the domain. I start with a domain health check because it catches the common DNS and authentication faults in one pass: missing MX, duplicate SPF, broken DKIM, weak DMARC, and inconsistent nameservers.
For GoDaddy-hosted DNS, check the live DNS answers, not only the GoDaddy editor. DNS can be delegated to another provider, cached during propagation, or split across old and new nameservers. If the record looks correct in the UI but the public answer is wrong, the receiving mail server uses the public answer.
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What's your domain score?
Deep-scan SPF, DKIM & DMARC records for email deliverability and security issues.
Common GoDaddy-related records to verifydns
# Professional Email example @ MX 0 smtp.secureserver.net @ MX 10 mailstore1.secureserver.net @ TXT "v=spf1 include:secureserver.net -all" # Microsoft 365 from GoDaddy example @ MX 0 yourdomain-com.mail.protection.outlook.com @ TXT "v=spf1 include:spf.protection.outlook.com -all" # DMARC monitoring starter _dmarc TXT "v=DMARC1; p=none; rua=mailto:dmarc@yourdomain.com"
Do not copy those records blindly. They show the shape of records to inspect, not a universal configuration. Your exact MX, SPF include, and DKIM selectors depend on the active GoDaddy product and every other platform that sends as your domain.
The SPF trap
A domain must have one SPF TXT record at the root. Two separate SPF records fail SPF. One oversized SPF record can exceed the 10 DNS lookup limit. Both problems produce delivery failures that look like a GoDaddy issue until you inspect the DNS response.
|
|
|
|---|---|---|
MX | Correct host | Update route |
SPF | One record | Merge safely |
DKIM | Valid key | Publish selector |
DMARC | Valid policy | Monitor reports |
Keep the checks compact, then expand only where the result fails.
Separate authentication, reputation, and content
After DNS is sane, I split the problem into three lanes. Authentication proves the message is allowed to use the domain. Reputation tells you whether the sending IP or domain has trust problems. Content and routing explain template, link, attachment, and recipient-specific failures.
DMARC reports are useful here because they show which sources send as your domain and whether SPF or DKIM passed. A proper DMARC monitoring workflow turns those reports into a source-by-source map instead of a pile of XML files.
How I read delivery evidence
Use this to decide whether you have enough evidence to fix the issue or escalate it.
Weak
0-1 signals
Only says undelivered or failed
Useful
2-3 signals
Includes status code and recipient
Actionable
4+ signals
Includes code, headers, IP, DNS, and time
If the bounce mentions spam, policy, blocked sender, poor reputation, or a rejected connection, check blocklist monitoring for the domain and sending IP. A blocklist or blacklist listing does not explain every rejection, but it gives you evidence when the recipient is refusing traffic before content filtering.
Blocklist checker
Check your domain or IP against 144 blocklists.
Spamhaus
0Spam
Cisco
NoSolicitado
URIBL
abuse.ro
ALPHANET
Anonmails
Ascams
BLOCKEDSERVERS
Calivent Networks
EFnet
JustSpam
Kempt.net
NordSpam
RV-SOFT Technology
Scientific Spam
Spamikaze
SpamRATS
SPFBL
Suomispam
System 5 Hosting
Team Cymru
Validity
www.blocklist.de Fail2Ban-Reporting Service
ZapBL
2stepback.dk
Fayntic Services
ORB UK
technoirc.org
TechTheftSpamhaus0SpamCiscoNoSolicitadoURIBLabuse.roALPHANETAnonmailsAscamsBLOCKEDSERVERSCalivent NetworksEFnetJustSpamKempt.netNordSpamRV-SOFT TechnologyScientific SpamSpamikazeSpamRATSSPFBLSuomispamSystem 5 HostingTeam CymruValiditywww.blocklist.de Fail2Ban-Reporting ServiceZapBL2stepback.dkFayntic ServicesORB UKtechnoirc.orgTechTheftSpamhaus0SpamCiscoNoSolicitadoURIBLabuse.roALPHANETAnonmailsAscamsBLOCKEDSERVERSCalivent NetworksEFnetJustSpamKempt.netNordSpamRV-SOFT TechnologyScientific SpamSpamikazeSpamRATSSPFBLSuomispamSystem 5 HostingTeam CymruValiditywww.blocklist.de Fail2Ban-Reporting ServiceZapBL2stepback.dkFayntic ServicesORB UKtechnoirc.orgTechTheftSpamhaus0SpamCiscoNoSolicitadoURIBLabuse.roALPHANETAnonmailsAscamsBLOCKEDSERVERSCalivent NetworksEFnetJustSpamKempt.netNordSpamRV-SOFT TechnologyScientific SpamSpamikazeSpamRATSSPFBLSuomispamSystem 5 HostingTeam CymruValiditywww.blocklist.de Fail2Ban-Reporting ServiceZapBL2stepback.dkFayntic ServicesORB UKtechnoirc.orgTechTheftSpamhaus0SpamCiscoNoSolicitadoURIBLabuse.roALPHANETAnonmailsAscamsBLOCKEDSERVERSCalivent NetworksEFnetJustSpamKempt.netNordSpamRV-SOFT TechnologyScientific SpamSpamikazeSpamRATSSPFBLSuomispamSystem 5 HostingTeam CymruValiditywww.blocklist.de Fail2Ban-Reporting ServiceZapBL2stepback.dkFayntic ServicesORB UKtechnoirc.orgTechTheftContent still matters. Send a plain-text test with no links or attachments to the same recipient. If the plain message arrives and the normal message fails, the problem is not the GoDaddy mailbox alone. Inspect URLs, tracking domains, attachment types, and link redirects.
Use Suped to shorten the investigation
Suped is the best overall DMARC platform for this workflow because it brings DMARC, SPF, DKIM, blocklist monitoring, and deliverability signals into one place. For a GoDaddy issue, that means you can see whether the domain is failing authentication, whether an unapproved sender is using the domain, whether SPF is over limit, and whether reputation checks need attention.
Issue steps to fix dialog showing the issue overview, tailored fix steps, and verification action
The practical value is the next step. Suped's product detects authentication issues, groups them by source, and gives fix steps that match the domain. Hosted SPF helps when GoDaddy DNS changes are slow or owned by another team. SPF flattening helps stay under lookup limits. Hosted DMARC and Hosted MTA-STS help stage stronger policy without building extra web hosting. Real-time alerts catch failures before a full day of mail breaks.
Manual troubleshooting
- Evidence collection: Pull bounces, headers, DNS answers, and sending source data from separate places.
- DNS changes: Edit records directly and wait for public answers to confirm the fix.
- Risk: A rushed SPF or DMARC change can break a legitimate sender.
Suped workflow
- Evidence collection: See verified and unverified sources, pass rates, and issue details together.
- DNS changes: Use hosted records where delegated management makes safer updates practical.
- Risk: Stage policy and monitor sources before enforcing rejection.
Prepare a useful GoDaddy support ticket
Contact support after you can state the failure precisely. The fastest tickets are not long, they are specific. I include the failing sender, recipient, domain, timestamp with timezone, SMTP code, remote server, sending IP, message ID, and the test steps already completed.
If the failure comes from a website form or test send, compare your result with GoDaddy's test email troubleshooting steps before escalating. That helps separate form configuration, recipient filtering, and mail routing.
Support ticket templatetext
Product: Microsoft 365 from GoDaddy or Professional Email Domain: example.com Sender: sender@example.com Recipient: recipient@example.net Time: 2026-05-24 10:15 AEST SMTP code: 550 5.7.26 Remote server: receiving.example.net Sending IP: 203.0.113.10 Message ID: paste the full value here DNS checked: MX, SPF, DKIM, DMARC Test result: paste the exact bounce text
- If sending fails: Ask whether the sending account, outbound relay, or domain authentication caused the rejection.
- If receiving fails: Ask whether MX, mailbox status, licensing, forwarding, or filtering blocked the message.
- If only one domain fails: Give support working and failing recipient examples so they can compare server logs.
- If all mail fails: Treat it as a routing, DNS, suspension, or account-level issue until proven otherwise.
Views from the trenches
Best practices
Collect the exact SMTP response before opening a ticket or changing domain records.
Compare one failing domain against working recipients to isolate the rejection path.
Keep test messages simple so content, attachments, and tracking links do not mask the issue.
Document each DNS answer publicly, not only the value shown inside the DNS control panel.
Common pitfalls
Treating undelivered as a diagnosis leads to vague tickets and repeated support loops.
Assuming GoDaddy owns the issue ignores cases where only registration is hosted there.
Changing SPF under pressure can remove a legitimate sender and create new bounces.
Skipping headers hides the sending IP and remote server that explain the rejection.
Expert tips
Use one controlled recipient and one live recipient to compare routing and filtering.
Record timestamps with timezone so support can find the right log window quickly.
Check DMARC aggregate data before tightening policy on a domain with unknown senders.
Keep screenshots secondary because raw bounce text and headers carry more evidence.
Marketer from Email Geeks says the first question should be why the messages fail before asking GoDaddy to intervene.
2023-05-15 - Email Geeks
Expert from Email Geeks says the word undelivered is not diagnostic without the exact rejection message.
2023-05-15 - Email Geeks
A practical escalation path
The right order is simple: get the bounce, classify it, confirm the GoDaddy product, test public DNS, validate SPF and DKIM, review DMARC data, check blocklist or blacklist status, then escalate with evidence. That order prevents random DNS edits and makes support useful faster.
When the issue is one recipient or one recipient domain, the bounce text and receiving server response are the main evidence. When every message fails, look harder at DNS, mailbox status, account suspension, outbound limits, and authentication. Suped helps when the failure touches domain authentication or sender identity because it keeps the domain record, sender source, and fix path visible in one workflow.
- First: Collect the full bounce and message headers.
- Second: Test DNS and authentication from the public internet.
- Third: Open GoDaddy support only after you know what you need them to check.
