On 15 Jul 2019 at 15:47, Mark Fletcher wrote:
This would require us to insert a tracking pixel into every email, and IThanks Mark. These tracking pixel things only work if the user's email
client allows display of remote graphics. Many clients block these by
default for spam/advert issues and quite justifiably. Just like most
visitor number tags on websites are blocked by ublock etc and most
hosts file ad blockers. These statistics are meaningless.