Common Issues and Solutions#
1. Emails Going to Spam#
Symptoms: Low open rates, subscribers report emails in spam folder.
Checklist:
Diagnosis:
# Check blacklists
# Visit: https://mxtoolbox.com/blacklists.aspx
# Check authentication
# Visit: https://www.mail-tester.com/
# Send a test email to the provided address
# Check Google reputation
# Visit: https://postmaster.google.com/
2. High Bounce Rate#
Symptoms: Bounce rate above 2%, delivery failures.
Common Causes:
- Old/stale email list
- Purchased or scraped lists (never do this)
- Typos in email addresses
- Temporary server issues (soft bounces)
Solutions:
- Enable email verification before import
- Remove hard bounces immediately
- Re-confirm old lists before sending
- Use double opt-in for all new subscribers
3. Emails Not Sending#
Symptoms: Campaign stuck in "sending" status, queue not processing.
Debug Steps:
# Check queue workers
sudo supervisorctl status
# Check failed jobs
php artisan queue:failed
# Check sending server connection
php artisan tinker
>>> Mail::raw('Test', function($m) { $m->to('test@test.com'); });
# Check logs
tail -f storage/logs/laravel.log
4. Slow Sending Speed#
Symptoms: Large campaigns take hours to complete.
Solutions:
- Increase queue workers (
numprocs=4 in supervisor)
- Use Redis instead of database queue driver
- Check sending server rate limits
- Configure multiple sending servers with rotation
5. Images Not Loading in Emails#
Symptoms: Broken image icons in received emails.
Causes:
- Images hosted on HTTP (not HTTPS)
- Server blocking hotlinking
- Images too large (timeout)
Solutions:
- Always use HTTPS URLs for images
- Host images on your server or CDN
- Optimize image file sizes (under 200KB each)
- Use
alt text for all images
