Configure SMTP for outbound emails
Configure the SMTP settings by modifying the file installdir/apps/typo3/htdocs/public/typo3/sysext/core/Configuration/DefaultConfiguration.php.
For example, these are the options to configure it using a Gmail account. Replace USERNAME and PASSWORD with your Gmail account username and password respectively, and NAME with the sender name.
'transport' => 'smtp', 'transport_smtp_server' => 'your.smtp.provider:PORT', 'transport_smtp_encrypt' => 'TLS_OR_SSL', 'transport_smtp_username' => 'USERNAME@gmail.com', 'transport_smtp_password' => 'PASSWORD', 'transport_sendmail_command' => '', 'defaultMailFromAddress' => 'USERNAME@gmail.com', 'defaultMailFromName' => 'NAME',
Restart the server for your changes to take effect:
$ sudo installdir/ctlscript.sh restart
To configure the application to use other third-party SMTP services for outgoing email, such as SendGrid or Mandrill, refer to the FAQ.
NOTE: If you are using Gmail as the outbound email server and have experienced issues trying to send emails correctly, check the Gmail SMTP troubleshooting page to learn the causes of these issues and how to solve them.