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Troubleshooting Email Sending Issues in WHMCS 7.x: A Comprehensive Guide

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This article is for WHMCS 7.x.

If emails are not being sent by your WHMCS installation or they are not formatted in the manner expected. Follow these troubleshooting steps

Navigate to Utilities > Logs > Activity Log

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Review the logs for any error messages at the time of email sending.

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Could not instantiate mail function

 

 

 

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Could not connect to SMTP host

 

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Could Not Authenticate

 

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Sender Verify Failed

 

 

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Syntax Error

 

 

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Smarty Error: Not allowed by security policy

 

 

 

 

 
 
The End! should you have any inquiries, we encourage you to reach out to the Vercaa Support Center without hesitation.

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