1
Can I find out if someone wants a read confirmation of an email by examinig the header?
Where can I find this info or string and how is it called?
1
Can I find out if someone wants a read confirmation of an email by examinig the header?
Where can I find this info or string and how is it called?
2
Yes, if you look for the header Disposition-Notification-To:
, that indicates a read receipt is required, the data on the header indicates the account the receipt goes to.