Gmail shows a red banner above email messages sent from my custom email. And I have registered the domain. my domain name contains a special character (-). And this issue is for the email is also from the domain, I am using AMAZON`S SES for email services.
All other mail domains not showing this error/warning message.
both emails and domains are verified.
all other mailboxes and web versions are not showing this warning
Only exists when sending mail b/w my custom domain