Mail.plus.vnn.vn

It looks like you've provided a Vietnamese email address!

mail.plus.vnn.vn is an email address hosted on the VNN (Vietnam Network) domain, which is a popular domain registrar and web hosting company in Vietnam.

The mail.plus part is likely the email service provider or the mailbox name, while vnn.vn is the domain name.

If you're trying to contact someone or send an email to this address, you can simply type the address in your email client or use a web-based email service like Gmail or Outlook to send an email to this address.