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Questions tagged [opendkim]

Open source implementation of the DKIM (Domain Keys Identified Mail). The capabilities include signing and verifying DKIM signature of the email.

OpenDKIM is an open source implementation of the (Domain Keys Identified Mail) sender authentication system standardized by the IETF (RFC6376). The project started from a code fork of version 2.8.3 of the open source dkim-milter package,

OpenDKIM capabilities was including signing and verifying DKIM signature of the email. The package consists of a library that implements the DKIM service and a milter-based filter application that can plug in to any milter-aware MTA such as and .

The documentation of command line options can be found in this page.
The documentation of opendkim.conf configuration file can be found in this page.

181 questions
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OpenDKIM: Use MySQL socket in KeyTable/SigningTable

How can i connect to a MySQL socket (not TCP) with e.g. KeyTable/SigningTable in OpenDKIM? The dataset which needs to be used is "dsn:" and the manual says: If the string begins with "dsn:" and the OpenDKIM library was compiled to support that…
am1
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OpenDKIM: Add public key to domain, Debian 9, GoDaddy

I was trying to add my DKIM public key to my domain, but i don't know how i have to modify it This is my entire public key file mail._domainkey IN TXT ( "v=DKIM1; h=sha256; k=rsa; " …
user491241
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Postfix from rewriting (smtp_generic_maps) + DKIM

We have SMTP server for the application emails what should do following: change “From” for all emails sign emails with DKIM I have set up postfix rewriting with smtp_generic. The default flow is like that: Email comes to postfix OpenDKIM will…
Juhani
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why opendkim says it isn't running when it is

I installed postfix in a docker container, and installed opendkim there as well. Every time I run a service opendkim status, it gives me opendkim is not running. I tried sysctl status opendkim, and got this: sysctl: cannot stat /proc/sys/status: No…
francisaugusto
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What's the right way to enter DKIM string into BIND zone file?

I use Ubuntu 16.04 LTS. I'm been having this annoying issue again with entering DKIM string (that long code) into my BIND's zone file. In the past (for a different domain) I used to bypass that issue by first copying the string from OpenDKIM's…
papakota
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OpenDkim-testkey record not found

trying this command after install opendkim and postfix opendkim-testkey -d aan-tsu.info -s default -v -v -v opendkim-testkey: checking key 'default._domainkey.aan-tsu.info' opendkim- testkey: 'default._domainkey.aan-tsu.info' record not…
AAHN
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How to Drop emails in OpenDKIM that are unsignable?

We have developers who like to do things their own way, regardless of advice given. One of these is to send emails with completely bogus sender-addresses I'd like to get OpenDKIM to reject or drop emails that it can't sign - is this possible? Jan 4…
Criggie
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Should "record not found" errors from opendkim for external domains be showing up in /var/log/mail.err?

I have set up opendkim for the first time. I see many of log entries similar to the following in my /var/log/mail.err file: Oct 13 20:02:51 email opendkim[24304]: 0873142234: key retrieval failed (s=omega, d=ctdems.org):…
StevieD
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Can I use a different public key for DKIM signatures for the same domain?

Can I have separate public keys for the following : support@mydomain.com myaddr@mydomain.com I am using a keytable so my initial feel is to create the keys using a different selector and since I am using the keytable, the selector referenced in…
bsee4u
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