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Email Not Working – Wrong MX Record? Check SPF & Mailbox
Quick answer: If email with your domain doesn't work, first check the MX record, then if the mailbox exists, then SPF/DKIM. 80% of cases are wrong MX or missing mailbox in panel.
If you landed here: You created a mailbox or changed MX but mail doesn't arrive, bounces or lands in spam.
Check MX record
dig +short yourdomain.com MXError → fix
| Problem | Cause | Fix |
|---|---|---|
| 550 User unknown | Mailbox doesn't exist | Create mailbox in panel → Set up email |
| Mail not arriving | Missing/wrong MX | Set MX to provider, wait 15–60 min |
| Everything in spam | Missing SPF/DKIM | SPF, DKIM, DMARC |
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Frequently asked questions (FAQ)
What should an MX record look like?
Type MX, name @, value mail.yourdomain.com (or provider host), priority 10. Host needs A record to mail server IP.
Email sends but doesn't arrive?
MX record missing or points to wrong server. Check SPF/DKIM – otherwise mail lands in spam or gets rejected.
Do I need SPF with NexoraHost webspace?
Yes – SPF as TXT record prevents providers marking your mail as spam. See SPF/DKIM/DMARC guide.
NexoraHost
Register a domain
Connect your domain to webspace, email or game server – unlimited DNS records.
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