Conflicting, not clear suggestions on amavisd-new site about dkimmilter 
vs proxy for outgoing signing, MTA is postfix. (are you suggesting to 
use milter or proxy?

Instead of signing mail with /dkim-milter/, the same can be achieved by 
using Jason Long's /DKIM Proxy/, which is a Perl program calling a Perl 
module /Mail::DKIM/, i.e. the same modules as used by a SpamAssassin 
DKIM plugin. As the /Mail::DKIM/ turned out to be a reliable and quite 
efficient module, this may be a good alternative to /dkim-milter/ (which 
is also quite good in recent versions).

Under FreeBSD just install mail/dkim-milter from freshly updated ports, 
and add the following to /etc/rc.conf:

  milterdkim_enable="YES"
  milterdkim_uid='dkimfilter'
  milterdkim_domain='example.com'
  milterdkim_profiles="verifier signer"
  milterdkim_verifier_socket='inet:[EMAIL PROTECTED]'
  milterdkim_verifier_flags='-b v -C dns=a,int=a'
  milterdkim_signer_socket='inet:[EMAIL PROTECTED]'
  milterdkim_signer_selector='myselector'
  milterdkim_signer_key='/var/db/domainkeys/myselector.key.pem'
  milterdkim_signer_alg='rsa-sha1'
  milterdkim_signer_flags='-b s -c relaxed/simple -m ORIGINATING -o - -C int=a'

Recent startup script supplied by FreeBSD port already ensures that 
deamon runs under its dedicated username, supplying a default value for 
option -u.


My assumption on proxy is that is takes up ram, sits in background, and 
needs at least one for each amavisd server.
I was using dkimmilter, but upon upgrading from FBSD 5.5 to 6.2, it 
somehow broke, so I am revisiting it.
(worked fine on amavisd-new, used it in the MY_NETS policy) but now, 
since it won't even start anymore, I decided to look at milters.

Any thoughts? ideas?



-- 
Michael Scheidell, CTO
 >*|*SECNAP Network Security
Office: 561-999-5000 x 1259
Direct: 561-939-7259

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