DKIM signing

[Rick Cooper]

  _____  

From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Eddie
Hallahan
Sent: Monday, June 22, 2009 12:45 PM
To: MailScanner discussion
Subject: Re: DKIM signing


Hi,

You are able as part of the DKIM thing to register multiple mailservers for
your domain I believe.  I think they each have a different key but I'm still
a bit vague on that part.  If your MTA is sendmail then there is a milter
that does it for you.
[Rick Cooper] 
 
If you wanted to use a different key for each mail server within your domain
you would use different selectors based on the server that was sending. If
you use the same key they would all use the same selector.
  if you had two hosts a.domain.com and b.domain.com you could set two
selectors such as mail and mail1
  then you would set the public part of each key in one of two txt records,
mail._domainkey.domain.com.  and mail1._domainkey.domain.com. 


Regards

Eddie Hallahan

Enterprise Management Consulting

www.emcuk.com



Enterprise Management Consulting is a company registered in England and
Wales with company number 3134544. VAT registration number is 681038440.


Alex Neuman wrote: 

Any chance of someone thinking up a way to fire up a third instance of
sendmail on one machine to do something like this?


On Mon, Jun 22, 2009 at 10:38 AM, Rick Cooper <rcooper at dwford.com> wrote:


You don't want to sign dkim or domainkeys until the last thing before the
message is "place on the wire". Any modification made after the signing
with, of course make the signature invalid. This means the outbound MTA has
to be the signing agent.

Rick

-----Original Message-----
From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of ram
Sent: Monday, June 22, 2009 7:15 AM
To: MailScanner discussion
Subject: DKIM signing

Can I use any plugin in MailScanner to DKIM sign outbound mail



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Alex Neuman van der Hans
Reliant Technologies
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