1
vote
1answer
82 views

DKIM for Email Service Provider clients

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 ...
-1
votes
1answer
508 views

qmail is returning all mails as “handlers permanentfail”

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?
3
votes
3answers
1k views

Sign multiple domains with single Domain Key (dk-filter)

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 ...