Questions about DomainKeys Identified Mail (DKIM)

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15
votes
3answers
21k 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 ...
3
votes
1answer
4k 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?
1
vote
1answer
474 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 this steps if I want to host and send e-mails for several ...
1
vote
0answers
48 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; " ...
1
vote
0answers
270 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 ...
0
votes
0answers
37 views

dkim and SPF ok, but domainkeys=neutral (no sig);

I just want to know how can I pass state "neutral" to "pass" for domainkeys=neutral (no sig); (And please don't answer: "dkim is used not domain keys")
0
votes
1answer
24 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 ...
0
votes
0answers
120 views

DKIM config for multidomain : message not signed

I’m trying to setup DKIM for a multidomain server. Everything looks fine BUT the messages are not signed. I followed How To Install and Configure DKIM with Postfix on Debian Wheezy tutorial and ...