With reference to the subject mentioned above.. I've spent a couple days with these issue and can't find any answers anywhere.

  • i'm able to change and save the global configuration settings.
  • i'm able to send test mail with same configuration to another website.
  • i'm runnning joomla 3.6.5 @localhost
  • using the SMTP option
  • and this is the config

Send mail : Yes
Disable Mass Mail : No
From Email : [email protected]
From Name : xxx
Mailer : SMTP
SMTP Host : smtp.gmail.com
SMTP Port : 465
SMTP Security : SSL/TLS
SMTP Authentication : Yes
SMTP Username : [email protected]
SMTP Password : xxx

Error in back-end : No
Error in console : Uncaught ReferenceError: sendtestmail_url is not defined at HTMLButtonElement. (sendtestmail.js:6)

Please help me if u have any ideas.. i'm lost.. Thanx in advance.


1 Answer 1


Clearing the Joomla cache may solve your problem.

See https://github.com/joomla/joomla-cms/issues/11098 for details.

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