Thinkphp e-mail Failure reason

Connection failure using Phpmailer, the code is already encapsulated by others no problem, the possible reasons are as follows.
QQ Hint: SMTP server Error:mail from address must is same as authorization user
163 Tip: SMTP connect error, and so on

First, the two in the php.ini to open, in fact, a lot of people are open
; Extension=php_sockets.dll
; Extension=php_openssl.dll

Second, the code in the
$mail->password = ' ********** '; Sender's Email password

This is not the mailbox password, is the independent management password-is the management of the SMTP protocol that password (authorization code or independent management password), in 163 and QQ mailbox when you open SMTP must be filled with an independent management password, this is the password

Thinkphp e-mail Failure reason