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It's not worth outsourcing. We just add a tiny gif that has a unique hash. When that file is requested record the hash and mark the identified message as read.
by themcgruff 15y ago
It's not worth outsourcing. We just add a tiny gif that has a unique hash. When that file is requested record the hash and mark the identified message as read.
- omonra 15y agoThanks - is there a library I can use? Wouldn't want to reinvent the wheel
- themcgruff 15y agoI'll talk with Noah about open sourcing it. Right now it would take a little bit of effort, but it's probably worth it for the good of the community.
- archangel_one 15y agoSeems like most e-mail clients these days don't load remote images automatically - do you find that significantly affects this technique?
- jeffclark 15y agoThe hashed image is the same method the big boys would use to record open rate.
- archangel_one 15y agoOk, but surely they have the same problem then?