3 ms·

Considering Outlook and Gmail block them by default, it's extremely unreliable

• robryan 15y ago
  In this case though, it shouldn't hard confirmations, a possibly increase them a little. Unless people choose not to confim because they get a "images have been blocked" message.
  • mkopinsky 15y ago
    It will also give better data - you can see of the people who opened the email and displayed images, what percent actually clicked the link.