Why php is sending email from localhost not from server using PHPMailer?

Question

I am using PHPMailer with SMTP to send email. First I just test it from my localhost and it\'s successfully sent email.

But when I upload the same code to my service it

Answer 1

That link to the troubleshooting guide is there for a reason - if you follow it it will tell you exactly what is wrong: GoDaddy blocks outbound SMTP, so you have to use their mail servers. There are many duplicates of this question, so search before you post.