Could not connect to SMTP host. Message could not be sent

Question

When I sent email from server then it gives me two error -

SMTP Error: Could not connect to SMTP host. Message could not be sent. Mailer Error: SMTP Er

Answer 1

First logout the your gmail account

then open this url use this yrl

click the continue button

Next change the port and SMTPsecure

$mail->SMTPSecure = "tls";
$mail->Port = 587;