Still going to SPAM folder

Hi,
I tried to find an answer searching other topics but didn’t find anything useful.
Installed and configured plugin using cPanel Webmail instructions, and sent a test mail, buts still goes to SPAM, I appreciate if you help me:

The result was:
bool(true)
The full debugging output is shown below:
PHPMailer Object
(
    [Version] => 5.2.22
    [Priority] => 
    [CharSet] => UTF-8
    [ContentType] => text/plain
    [Encoding] => 7bit
    [ErrorInfo] => 
    [From] => [email protected]
    [FromName] => mydomain Name
    [Sender] => [email protected]
    [ReturnPath] => 
    [Subject] => WP Mail SMTP: Test mail to [email protected]
    [Body] => This is a test email generated by the WP Mail SMTP WordPress plugin.
    [AltBody] => 
    [Ical] => 
    [MIMEBody:protected] => This is a test email generated by the WP Mail SMTP WordPress plugin.
    [MIMEHeader:protected] => Date: Wed, 29 Nov 2017 10:24:21 +0000
To: [email protected]
From: mydomain Name
Subject: WP Mail SMTP: Test mail to [email protected]
Message-ID: 
X-Mailer: PHPMailer 5.2.22 (https://github.com/PHPMailer/PHPMailer)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
    [mailHeader:protected] => 
    [WordWrap] => 0
    [Mailer] => smtp
    [Sendmail] => /usr/sbin/sendmail
    [UseSendmailOptions] => 1
    [PluginDir] => 
    [ConfirmReadingTo] => 
    [Hostname] => 
    [MessageID] => 
    [MessageDate] => Wed, 29 Nov 2017 10:24:21 +0000
    [Host] => mydomain.com
    [Port] => 465
    [Helo] => 
    [SMTPSecure] => ssl
    [SMTPAutoTLS] => 1
    [SMTPAuth] => 1