军哥求帮忙，WP Mail SMTP插件设置后失败
我使用WP Mail SMTP插件想用户注册的时候发邮件给他们，可是设置好几遍都显示错误，请问军哥这个要如何设置啊？
Test Message Sent
The result was:
bool(false)
The full debugging output is shown below:
object(PHPMailer)#4392 (65) {
["Priority"]=>
int(3)
["CharSet"]=>
string(5) "UTF-8"
["ContentType"]=>
string(10) "text/plain"
["Encoding"]=>
string(4) "8bit"
["ErrorInfo"]=>
string(43) "SMTP Error: Could not connect to SMTP host."
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