SMTP "Error: DATA not accepted from server!" Opencart 2.3 on InMotionHosting



PHP Snippet 1:

$ Mail-> setFrom ($ this-> request-> post [ 'email']);

PHP Snippet 2:

$ Mail-> setFrom ($ this-> config-> get ('config_email'));

PHP Snippet 3:

$ Mail-> setSender ($ this-> request-> post ['name']);

PHP Snippet 4:

$ Mail-> setReplyTo ($ this-> request-> post ['email']);
$ Mail-> setSender ($ this-> config-> get ('config_email'));

PHP Snippet 5:

$ Header = 'Reply-To:? = UTF-8 B??'. . base64_encode ($ this-> replyto). '='. '<'. $ This-> from. '>'. $ This-> newline;

PHP Snippet 6:

$ Header = 'Reply-To:? = UTF-8 B??'. . base64_encode ($ this-> replyto). '='. '<'. $ This-> replyto. '>'. $ This-> newline;

PHP Snippet 7:

Mail Protocol: SMTP
Mail Parameters: [email protected]
>>> SMTP Hostname: mail.primary-domain.com <<<
SMTP Username: [email protected]
SMTP Password: ********
SMTP Port: 587
SMTP Timeout: 5