Posts tagged dkim

Postfix + DK (DomainKeys) + DKIM + SPF on Debian 6/Ubuntu

51
September 17, 2011
by Kura in , , , ,

This is part 3 of my guide to getting a mail server configured with all the sexy bits to improve deliverability, spam and virus protection.

Part 1 can be found here and part 2 here.

The key pair

We need to create a key pair to sign emails with

openssl genrsa -out private.key 1024

openssl rsa -in private.key -out public.key -pubout -outform PEM

mkdir /etc/dk/

cp private.key /etc/dk/dk.key

Now we can move on to DK and DKIM signing, make sure you keep the public key for later.

DKIM

First we'll need to install an application to sign our emails.

apt-get install dkim-filter

Once installed we need More >

HOWTO: DomainKeys with Postfix on Debian/Ubuntu

6
February 12, 2010
by Kura in , , , ,

I have written a much newer, clearer and better article on DomainKeys signing email here. <

About

This guide is a sister to another guide I wrote a while back about how to use DomainKeys Identified Mail (DKIM) with Postfix on Debian, which can be read here - http://syslog.tv/2010/01/11/dkim-on-debian-with-postfix/.

DomainKeys is an older implementation than DKIM, DKIM is a merge of DomainKeys and Identified Mail. Both DomainKeys and DKIM are used so having both configured is a good idea.

Getting started

Lets start off by installing the dk-filter

sudo su; apt-get install dk-filter

Once More >

HOWTO: DKIM with Postfix on Debian

7
January 11, 2010
by Kura in , , ,

I have written a much newer, clearer and better article on DKIM signing email here.

There is a much newer article on this subject here and covers DomainKeys and DKIM.

Mail and mail servers have always been my forté if I'm to be honest, my home mail server has been spam free for years now, nothing really gets past due to my love of all things installable and configurable.

Several months ago I started a new job and after a few weeks I was tasked with getting DKIM signing to work on our mail platform, DKIM was semi-new to me, I'd never bothered with anything but SPF before so I figured I'd give More >

Go to Top