SMTP Issue (Unable to connect to the SMTP Server)

Original Question or Issue:

Some users fail to log in with 2FA after the FileCloud upgrade

Environment:

• Product - FileCloud Server
• Version - Any
• Platform - Windows, Linux

Steps to Reproduce:

Error or Log Message:

3:Connection failed. Error #2: stream_socket_client(): Unable to connect to smtp.test.test25 (php_network_getaddresses: getaddrinfo for smtp.test.test failed: No such host is known. ) [C:\xampp\htdocs\thirdparty\vendor\phpmailer\phpmailer\src\SMTP.php line 412]

1:SMTP ERROR: Failed to connect to server: php_network_getaddresses: getaddrinfo for smtp.test.test failed: No such host is known.  (0)

4:SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

Defect or Enhancement Number:

Cause:

Connectivity issue between Filecloud Server and SMTP server

Resolution or Workaround:

• Issue was fixed by checking the SMTP server

Notes: