Email Not Working #

If your email cannot send or receive messages, shows authentication errors, or fails to connect in mail apps, this guide will help you diagnose and resolve common email issues.

Email problems are usually caused by DNS configuration, mailbox settings, storage limits, or email client configuration.

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Common Symptoms #

You may notice:

• Emails are not sending
• Incoming emails are missing
• Authentication failed
• Outlook or Gmail cannot connect
• Messages are delayed
• Bounce-back notifications

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Step 1 — Verify Email Account Exists #

Login to cPanel.

Open:

Email → Email Accounts

Confirm:

• Email account exists
• Password is correct
• Mailbox is active

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Step 2 — Check Mailbox Storage #

A full mailbox can stop sending and receiving.

Review:

Email → Email Accounts → Manage

Verify:

• Storage usage
• Quota limits

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Step 3 — Verify DNS Records #

Check required email DNS records:

✅ MX Record
✅ SPF Record
✅ DKIM Record
✅ DMARC (recommended)

Incorrect DNS may stop email delivery.

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Step 4 — Verify Mail Client Settings #

Use the correct configuration:

Incoming (IMAP) #

Port: 993 (SSL)

Outgoing (SMTP) #

Port: 465 (SSL)

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Step 5 — Test Using Webmail #

Open:

yourdomain.com/webmail

If Webmail works:

• Issue is likely in the mail application.

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Common Fixes #

Cannot Receive Emails #

• Check MX records
• Verify DNS propagation
• Confirm mailbox quota

Cannot Send Emails #

• Verify SMTP authentication
• Update password
• Check sending limits

Outlook / Gmail Not Connecting #

• Reconfigure account
• Enable SSL

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Category: Troubleshooting
Article: Email Not Working
Estimated Time: 10–15 Minutes

Last Updated: May 2026