Email problems can be frustrating, but most sending and receiving issues are caused by a few common misconfigurations. Here’s how to identify and fix them.
???? Problem 1: Incorrect Password or Username
???? Symptoms:
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You get an authentication error
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Your email client asks for your password repeatedly
✅ Solution:
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Double-check your full email address and password in cPanel
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If needed, reset your password in cPanel > Email Accounts > Manage
???? Problem 2: Incorrect Mail Server or Port
???? Symptoms:
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Messages fail to send or receive
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“Cannot connect to server” errors
✅ Solution:
Make sure you're using the correct settings:
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Incoming (IMAP):
mail.yourdomain.com, Port 993 (SSL) or 143 (non-SSL) -
Outgoing (SMTP):
mail.yourdomain.com, Port 465 (SSL) or 587 (TLS) -
Username: your full email address
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Password: the one you set in cPanel
???? Problem 3: Mail Goes to Spam Folder
???? Symptoms:
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Clients don’t see your emails
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Your messages land in Gmail’s “Spam” tab
✅ Solution:
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Set up SPF, DKIM, and DMARC records in your DNS
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Avoid using suspicious keywords in the subject or body
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Use a custom signature and avoid free email addresses as “From” address
???? Problem 4: Mailbox Full / Quota Exceeded
???? Symptoms:
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You can’t receive new emails
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You get a “mailbox full” error
✅ Solution:
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Log into cPanel > Email Accounts > Check Storage Usage
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Delete old messages or increase your storage limit
???? Problem 5: Firewall or Antivirus Blocking Email Ports
???? Symptoms:
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Random connection failures
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Everything is set correctly but still not working
✅ Solution:
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Temporarily disable antivirus or firewall software and test again
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Whitelist the ports used (993, 465, 587, etc.)
???? Need More Help?
If none of these solve your issue, feel free to open a support ticket. Include:
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Your email address
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The error message
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Your current configuration settings
We'll help you get it sorted quickly!
