Supplier : Notification

Hi

Supplier is getting notification

Heading of email states:

Closed: Education Authority OU: Standard Purchase Order 120564, 0.

Heading of email states:

FYI: Education Authority OU: Standard Purchase Order 120564, 0.

Can any one let me know what does FYI and Closed stands for and where can we see this setting and so that we can stop

Heading states: Closed: Education Authority OU: Standard Purchase Order 120564, 0.

Going to Supplier.

Thanks

Vinutha