I am trying to get dkim working on my virtual servers I have enabled dkim in Email Settings:
Signing of outgoing mail enabled? Yes
Selector for DKIM record name 2018
Reject incoming email with invalid DKIM signature? Yes
Force generation of new private key? No
Size of new DKIM key 2048.
I copied the public key to my DNS and mxtoolbox.com check shows the record is in DNS and checks out Ok.
However when I send email it is not signed and checking the /var/log/mail.log shows the following:
warning: connect to Milter service inet:localhost:8891: Connection refused
FirewallID shows the port 8891 open for tcp
domain is pcsmarts.biz
How do I fix this?