Email Tracking in PHP

I am currently working PHP, I want to track email status and update into my database such as who read the email or who opened?, who deleted?, who replied? and also When was the email opened/deleted/replied? Date and time.

I got the solution from online resources for open rate which i have been implemented. but I want to know is there any possibility to find who deleted the email? which I have been sent. please share the idea or give the soluti开发者_高级运维on

Thanks for your reply in advance.

The only information you can get is who responded with a received or opened receipt …

• Many email clients don't support these
• No email client sends them silently by default
• Many users will choose to refuse to allow one to be sent to you

… and how many times a given image has been requested from your server. You can associate an image with a particular recipient in your database but:

• They might forward the email so someone else could be requesting the image
• Most email clients block images by default. Some filter out webbugs specifically.

There is no way to get a message in response to a deletion, reply, forward, etc.

In short: Emails are not spies.