Joomla 2.5 – Could not instantiate mail function Updated on August 16, 2021 by Brad Markle 0 Minutes, 23 Seconds to Read Joomla 2.5 can send email using both the PHP mail() function and with standard SMTP authentication. If you try to use the standard PHP mail() function but your server does not support it, you may receive the following error: Could not instantiate mail function To resolve this issue, we recommend setting up Joomla to use SMTP Authentication rather than the PHP mail function(). Problem: Could not instantiate mail function Solution: Setup Joomla to send email using SMTP Authentication Share this Article Related Articles SpamAssassin: Fighting Spam How to Configure Mailbox Quota Notifications How to Import Email Accounts and Forwarders into cPanel How to Login to SquirrelMail Set Up MX and SPF Records for InMotion Hosting Professional Email How to Purchase InMotion Hosting Professional Email in AMP How to Fix the “550 No Such User Here” Email Error How to Setup an Email AutoResponder in cPanel Logging into Horde How to Change an Email Password in cPanel and Webmail