How to prevent email go to Recipient(Gmail) junk folder?

Control Panel V5 > Hosting Control Panel > Emails
Gmail already guide the most detail here. However, we need to repeat the most important points that we can do by ourselves to solve such issue.
 
 
When you found your mail always go to Gmail junk folder, please do following:
 
1. Check if you have Added SPF record for your domain. If you are using our email service and your domain is using our domain name servers, our system should have added it by default. You can check from Control Panel --->DNS. If you are using third party name servers, you will need to manually add SPF for your domain from their end. Using our email service, SPF record should be:
 
v=spf1 a mx include:_spf.site4now.net ?all
 
3. Generate DMARC record online and Add DMARC record for your domain.
4. Test by send email to your personal Gmail account now.
5. If still does not work, please kindly contact with your Email service provider now.