Spam email issues are one of the most frustrating problems in email hosting. Sometimes your emails are sent successfully, but they never reach the inbox—they go directly into the spam or junk folder. In other cases, your website may even receive spam emails from bots.
This guide explains both problems and gives you complete solutions to fix spam email issues permanently.
What Are Spam Email Issues?
Spam email issues happen when:
- Your outgoing emails go to spam folder
- Your website receives spam messages from bots
- Email providers mark your domain as untrusted
In simple terms:
Your emails are not trusted by email systems.
Why Emails Go to Spam
Email providers like Gmail, Outlook, and Yahoo use filters to detect spam. If your email setup looks suspicious, it gets filtered automatically.
Common reasons:
- Missing authentication (SPF, DKIM, DMARC)
- Poor domain reputation
- Sending bulk emails without proper setup
- Using free or shared hosting email
- Spam-like content in email
- No SMTP configuration
Part 1: Fix Emails Going to Spam Folder
Step 1: Set Up Proper SMTP
SMTP is the first and most important fix.
Without SMTP, emails often fail spam checks.
Why SMTP helps:
- Authenticates sender identity
- Uses trusted mail servers
- Improves delivery rate
If SMTP is not set up, fix it first (as covered in previous guide).
Step 2: Configure SPF Record
SPF (Sender Policy Framework) tells email servers which servers are allowed to send emails from your domain.
Example SPF record:
v=spf1 include:spf.protection.outlook.com ~all
Why it matters:
- Prevents email spoofing
- Improves trust score
- Reduces spam filtering
Step 3: Enable DKIM Authentication
DKIM adds a digital signature to your emails.
Benefits:
- Verifies email integrity
- Confirms email is not modified
- Improves inbox placement
Most hosting providers or email services provide DKIM settings automatically.
Step 4: Set Up DMARC Policy
DMARC tells email providers how to handle suspicious emails.
Example:
v=DMARC1; p=quarantine; rua=mailto:admin@yourdomain.com
Why it is important:
- Protects domain from abuse
- Reduces phishing risk
- Improves email reputation
Step 5: Use a Professional Email Address
Always use domain-based emails:
✔ info@yourdomain.com
✔ support@yourdomain.com
Avoid:
❌ yourname@gmail.com (for business emails)
Step 6: Improve Email Content Quality
Spam filters analyze your email content.
Avoid:
- ALL CAPS TEXT
- Too many links
- Spam keywords like “FREE”, “BUY NOW”
- Short unclear messages
Use:
- Clear subject lines
- Professional tone
- Balanced text and links
Step 7: Avoid Sending Bulk Emails Improperly
If you send many emails at once:
- Spam filters may block you
- Domain reputation may drop
Solution:
- Use email marketing tools
- Send emails in batches
- Warm up your domain
Step 8: Check Domain Reputation
If your domain has poor reputation:
- Emails go to spam
- Delivery rates drop
Fix:
- Use Google Postmaster Tools
- Clean email list
- Remove inactive recipients
Step 9: Avoid Free Hosting Email
Free hosting email systems often:
- Have poor deliverability
- Share IP with spam domains
- Lack authentication
Better option:
- Use Gmail Workspace
- Zoho Mail
- SendGrid or Mailgun
Step 10: Test Email Delivery
Always test your emails.
Use tools like:
- Mail Tester
- Gmail test accounts
- SMTP test plugin
Part 2: Fix Incoming Spam Emails on Website
Step 1: Enable CAPTCHA on Forms
Spam bots target contact forms.
Fix:
- Add Google reCAPTCHA
- Use hCaptcha
- Enable form verification
Step 2: Install Anti-Spam Plugins
Popular plugins:
- Akismet Anti-Spam
- Antispam Bee
- WP Armour
These block spam submissions automatically.
Step 3: Limit Form Submissions
Prevent bots from overloading forms.
Fix:
- Add submission limits
- Enable time delay between submissions
Step 4: Block Spam IP Addresses
If spam comes from same IP:
- Block IP via firewall
- Use security plugin
Step 5: Hide Email Addresses
Bots scrape emails from websites.
Fix:
- Use contact forms instead of public email
- Obfuscate email addresses
- Use anti-spam encoding
Step 6: Use Firewall Protection
Firewalls block malicious traffic.
Tools:
- Cloudflare Firewall
- Wordfence Security
Step 7: Disable XML-RPC (WordPress)
XML-RPC is often used for spam attacks.
Fix:
- Disable it via security plugin
- Or block via .htaccess
Step 8: Monitor Spam Activity
Regular monitoring helps prevent issues.
Check:
- Spam form submissions
- Email logs
- Server traffic
How to Prevent Spam Issues
- Always configure SPF, DKIM, DMARC
- Use SMTP instead of PHP mail
- Install anti-spam plugins
- Enable CAPTCHA
- Use firewall protection
- Maintain domain reputation
Common Mistakes
- Ignoring DNS records
- Using default WordPress mail
- Not securing forms
- Using weak hosting
- Sending bulk emails without setup
Pro Tips
- Always authenticate your domain
- Use professional email services
- Regularly clean email lists
- Monitor spam score
- Combine SMTP + DNS security
Conclusion
Spam email issues are caused by poor authentication, weak hosting setup, and lack of proper email security. By configuring SPF, DKIM, and DMARC, using SMTP, and protecting your forms, you can completely eliminate most spam-related problems and improve email deliverability.

