I followed the above instructions as my first step, and it did not work. I’ve done quite a bit of research, including GitHub’s piece on PHPmailer, and it said not to use SSL 465.
“As for what kind to use, the answer is generally simple: Don’t use SSL on port 465, it’s been deprecated since 1998 and is only used by Microsoft products that didn’t get the memo; use TLS on port 587 instead:” — GitHub Wiki
My host is GoDaddy. I checked with them and they tested SMTP on their hosting and it worked fine. What are the next steps?