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Outgoing email requires proper authentication to prevent unauthorized use and spam abuse. When authentication fails, the mail server will block the message before it is sent.
The SMTP Error 535 – Authentication Failed message indicates that the server rejected the credentials provided for sending an email. Until valid authentication is supplied, outgoing messages will not be delivered. This is one of the most common SMTP errors and is usually resolved by correcting login details or configuration settings.
TABLE OF CONTENTS
How to Resolve SMTP Error 535
- Double-check that the full email address and correct password are being used.
- Update saved credentials in all email clients and devices.
- Confirm that the SMTP server, port number, and encryption method match the Hosted.com® recommended settings.
- Ensure SMTP authentication is enabled in the email client or application.
- Reset the email account password if authentication continues to fail.
Additional Information
- SMTP Error 535 occurs when the mail server cannot validate authentication credentials.
- This error commonly occurs after password changes that were not updated across all devices or applications.
- Using secure authentication methods such as SSL or TLS improves both security and login reliability.
- Multiple failed authentication attempts may trigger temporary sending restrictions for security reasons.
- Proper credential management helps prevent recurring authentication failures
Login to Hosted.com® Account
1. Go to the Hosted.com® website Account Login page.
2. Enter your Email and Password and click the Sign In button.
3. You will see the Hosted.com® Dashboard, displaying the Manage Account menu on the left and your Account Information, Account Overview and Open Support Tickets on the right.
Login to cPanel from your Hosted.com® Dashboard
4. Click on Manage Services to view the sub-dropdown menu and select the hosting package for the domain you want to work with – in our example we are using WordPress Hosting.
5. Click the Manage button to the right of the domain name you want to access.
6. The display will now show Product Information, Quick Manage, Resource Usage and Site Statistics for that domain name.
7. Under Product Information, scroll down to Control Panel, which will display cPanel to the right, and click on the Login button.
8. The cPanel Dashboard will now be displayed.
