Sendgrid tracks the following metrics with regards to general mail server reporting for your business:
Blocks - The number of emails that were not allowed to be delivered by ISPs.
Bounces - The number of emails that bounced instead of being delivered.
Clicks - The number of links that were clicked
Delivered - The number of emails SendGrid was able to confirm were actually delivered to a recipient.
Invalid Emails - The number of recipients that you sent emails to, who had malformed email addresses or whose mail provider reported the address as invalid.
Opens - The total number of times your emails were opened by recipients.
Requests - The number of emails you requested to send via the mail server
Spam Reports - The number of recipients who marked your email as spam.
Unique Opens - The number of unique recipients who opened your emails.
Unique Clicks - The number of unique recipients who clicked links in your emails.
Unsubscribes - The number of recipients who unsubscribed from your emails.
Unsubscribe Drops - The number of emails dropped by SendGrid because the recipient was unsubscribed
If further assistance is required, submit a ticket to Punchh Support. (For help submitting a ticket, click here)