0
votes
1answer
517 views

How to correctly configure postfix and opendkim and let receiving server know all details mailed-by signed-by?

What I am trying to achieve - Bottomline: mails to go in inbox rather spam folder. I have a server which is running postfix (mail server) and I have 3 domains. Mail server is used for both incoming ...
1
vote
0answers
282 views

postfix opendkim DKIM-Signature and Domainkey-Signature

Running postfix on CentOS 6 as an edge relay for a while now, so all our outgoing mail is routed through one point with opendkim signing the mail. This works great. I was originally using ...
1
vote
1answer
83 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
vote
1answer
1k views

signing multiple domains with dk-milter

How can I sign multiple domains using dk-milter so that each domain would have it's own different domainkeys signature. I've already done this for DKIM using openDKIM ...
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 ...
0
votes
2answers
3k views

Yahoo flagging mail as spam when using relay server

I'm using Postfix to relay mail from my site to my mail server. Mail is received properly at my Gmail and Hotmail accounts - only Yahoo is the problem. The Yahoo mail headers state: Received-SPF: ...
0
votes
2answers
126 views

DomainKeys options for multiple mailers

I want to setup Domain Key signatures for outbound mailers (postfix). I am currently using dkimproxy but I would need to setup one instance per postfix which is too many. Is there software that will ...