How would you go about implementing DKIM signing in this scenario? You have a service that allows customers to logon to your web application, create a newsletter, and send it to their subscribers ...
i am sending emails through php and qmail with SPF record and domainkeys on. but all emails are returned as handlers permanentfail. what is the problem?
Motivation The private shopping website GILT, send periodical update emails from giltgroupe.bounce.ed10.net however all of the mails are signed with domain keys of giltgroupe.com. mailed-by ...