Questions about DomainKeys Identified Mail (DKIM)

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0
votes
1answer
51 views

4.7.1 Service Unavailable - try again later

I'm not sure this is the best place for this question, but I have googled around and can't seem to find a resolution to my issue. Please feel free to redirect me somewhere else if necessary. :) So, I ...
4
votes
2answers
6k views

Using DKIM in my server for multiple domains (websites)

I've read the tutorial posted by MountainX (Setup DKIM (DomainKeys) for Ubuntu, Postfix and Mailman), but I can't figure out how to apply these steps if I want to host and send e-mails for several ...
1
vote
0answers
24 views

Opendkim key not found

I've been trying to setup DKIM on my VPS with the help of this article, but when I test the installation, I get a opendkim-testkey: No key Below the config files: /etc/opendkim.conf # This is a ...
0
votes
1answer
13 views

Google reports dkim passing for invalid host

I set up DKIM, SPF, and DMRAC on ubunutu server a month ago. Everything seemed to be working fine, until I received a curious DMARC report. A rouge server managed to send an email that passed DKIM ...
18
votes
3answers
31k views

Setup DKIM (DomainKeys) for Ubuntu, Postfix and Mailman

I'm running Ubuntu 12.04 with Postfix and Mailman. I want to set up DKIM. DomainKeys Identified Mail, or DKIM, is the successor to Yahoo's "DomainKeys". It incorporates Cisco's Identified Mail. What ...
0
votes
0answers
71 views

Postfix not rejecting mails without DKIM signature

I have configured DKIM using Postfix and OpenDKIM for my email domain. (I followed this tutorial.) Sending works I fine, but I noticed that Postfix is not rejecting incoming spam mails that use my ...
0
votes
0answers
67 views

Why isn't postfix DKIM signing my messages?

I have followed the instructions at https://www.exratione.com/2014/07/setting-up-spf-and-dkim-for-an-ubuntu-1404-mail-server/ But mail-tester.com reports that the messages are not being DKIM signed. ...
0
votes
1answer
64 views

PostFix hostname

I'm new to postfix and was wondering what hostname I should specify in my main.cf file. Is it the VPS hostname? or I can use one of the domains I host in the VPS as hostname? I'm trying to set up ...
1
vote
0answers
158 views

opendkim-genkey txt record in Ubuntu 14.04

After upgrading to Ubuntu 14.04 and generating keyfile using opendkim-genkey I've noticed the txt file is broken like: myselector._domainkey IN TXT ( "v=DKIM1; k=rsa; " "p=...
1
vote
0answers
497 views

12.04 Opendkim no key found

Setup Postfix and Dovecot with OpenDKIM. I am not getting key found. Below are the postconf and opendkim file configs. postconf -n root@mysite:~# postconf -n alias_database = hash:/etc/aliases ...
4
votes
1answer
5k views

12.04 POSTFIX openDKIM no DKIM signature

I followed the instructions in this post here's my postfix main.cf smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no readme_directory = no # TLS parameters ...
2
votes
1answer
2k views

What package replaces dkim-filter in 12.04?

Previously, I was using the dkim-filter package in Ubuntu 10.04 LTS for DKIM. That package is no longer in Ubuntu 12.04 LTS. What's the replacement or alternative? opendkim, maybe?