Dolibarr/dolibarr — pull request #108 by FHenry (2012-02-22 19:53:23+00:00)
Title: Read Receipt in module emailing

I read some code to add substitution option __CHECK_READ__ in emaling module.
If the destinaries display image in the email the statut in view emailing->destinarie to Read.
It sould be usefull to see the conversion rate of emailing campaign.