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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.

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DKIM set on AWS EC2 but mail header says none in Outlook

I'm configuring an AWS EC2 instance with Postfix, and have set it up with Route53 including reverse DNS. I've tested that I can send emails, and Outlook receives them fine, but Gmail does not. I followed this guide to install and configure opendkim,…
AndreasKralj
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Postfix send subdomain emails rewritten to main domain

I have Postfix + Dovecot + Mysql config, where I support multiple domains. The problem is when I add subdomain that already has main domain in virtual_mailbox_domains, Postfix rewrites it to main domain. For example: I send email as…
Navidot
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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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RSPAMD + DKIM Signing: How to be able to use a single DKIM Key for multiple domains?

I was able to setup a Single DKIM Key for multiple domains with OPENDKIM by using their KeyTables and SigningTable. But since the company started to use RSPAMD, I could not use OPENDKIM along with RSPAMD anymore, and required to use DKIM Signing…
busythomas
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DKIM signature failure only on CRON jobs

I originally posted this on askubuntu but there's been no response there. I have successfully installed Postfix and OpenDkim on my server, and it's correctly signing mail from several different domains. The host we'll call webhost.example.com. It's…
CatchAsCatchCan
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Dkim record fails - A public-key (p=) is required

I setup dkim record using following tutorial. But when I check the mx records using googleapps toolbox and dkimcore cheking tool it gives error google says dkim is not setup, dkimcore says A public-key (p=) is required All my configuration is same…
Hasan Teoman Tıngır
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difference between local and inet socket?

I noticed that, while setting up opendkim, the options for the Socket are: #SOCKET="local:/var/run/opendkim/opendkim.sock" # default #SOCKET="inet:54321" # listen on all interfaces on port 54321 #SOCKET="inet:12345@localhost" # listen on loopback on…
user508305
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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: proper configurations - main.cf, DNS, DKIM

Inherited an Ubuntu server (12.04) running Postfix (2.9.6) that works as an outbound-only mail relay for a web application. Have got SPF and DMARC records entered in public DNS (Route53). Working to get DKIM properly configured due to a client…
codecharacter
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opendkim on lokal net not working

I have a assignment in school to setup bind9, postfix, spf, dkim and dovecot on the same machine for the address mcduckcorp.duckburg.cali on a Debian 9 OS. I have managed to setup bind9, postfix and dovecot so that I can send and recieve mail but…
Payerl
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How mailchimp can sign email changing the domain and from header?

I've configured a SMPT server using postfix, dovecot, opendkim, openspf, openssl etc... I'm trying to figured out how mailchimp can send mails signed by their servers and deliver to recipients without going in spam folder. Same things with other…
Simon D.
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opendkim no signing table match for no signature data

I got an error when I try to install and config opendkim : no signing table match for 'contact@domain.com' no signature data opendkim.conf : # This is a basic configuration that can easily be adapted to suit a standard # installation. For more…
Matrix
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OpenDKIM Giving error of no key found

So I've setup OpenDKIM with Postfix and I can still send emails but when I do: opendkim-testkey -d example.com -s mail -vvv I get back: opendkim-testkey: using default configfile /etc/opendkim.conf opendkim-testkey: checking key…
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Postfix extremely slow, lot of mail in maildrop

Im trying to figure out what's wrong with this cofiguration. I've got a lot of mails in /var/spool/postfix/maildrop (around 30k!) and those just dont get away. No error in the logs. If I try to requeue one of the messages in maildrop, postsuper -r…
Strae
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DKIM check=pass but DomainKeys check=neutral

I got it to set up DKIM, I sent a test mail to check-auth@verifier.port25.com and reply was : SPF check: pass DomainKeys check: neutral DKIM check: pass SpamAssassin check: ham looks good, but why DomainKeys check just neutral ?…
Sarius
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