1

I see a lot of this kind of problem, but with the "Address already in use" error and not the "Permission Denied" error I am getting.

I installed OpenDKIM via this blog:

http://blog.matoski.com/articles/spf-dk-dkim-plesk-debian/

And everything went swimmingly until I restarted Postfix and my log immediately blasts with:

OpenDKIM Filter: Unable to bind to port inet:8891@localhost: Permission denied
OpenDKIM Filter: Unable to create listening socket on conn inet:8891@localhost
smfi_opensocket() failed

I have verified that nothing else is listening on that port and I have gone back through the blog post and can confirm that everything else is correct.

[root@server opendkim]# ps aux | grep opendkim
root     18173  0.0  0.0 103252   864 pts/0    S+   18:39   0:00 grep opendkim
[root@server opendkim]#

[root@server opendkim]# netstat -nlp | grep 8891
[root@server opendkim]#

I suspect this is something to do with selinux stopping this from creating another listener, however I do not know how to change that. Or, perhaps I'm way off base.

2

Try running the following command

semanage port -a -t milter_port_t -p tcp 8891
  • 1
    Would you mind to give a brief explanation and expected output before I run it? I'll do some research as well. – Luke Pittman Aug 26 '14 at 2:23
  • Did some research and ran the command as suggested. Solved that problem! Thanks. I will mark the question as answered. Unfortunately I have other issues now. – Luke Pittman Aug 26 '14 at 2:41
  • opendkim can be tricky beast – Mike Aug 26 '14 at 4:41
  • Yeah I'm starting to see that. It is running properly now, however it does not appear to be signing outgoing email. Sigh. – Luke Pittman Aug 26 '14 at 4:42
  • If that is the case then the domain is set wrong or mall isn't passing through it – Mike Aug 26 '14 at 16:17
0

I had the same problem too - turned out to be a typo (on Ubuntu 16 - did not work after upgrade from 14).

I missed the "inet" part of the adress (also given in original question, I just hat "8891@localhost" and not "inet:8891@localohst") from the /etc/default/opendkim. Also, I had the very same setting in the /etc/opendkim.conf before, which seems to be ignored in the new version.

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