Use DKIM while relaying email
Question asked by Marc Ward - November 10, 2016 at 9:27 AM
I am setting up a Smartermail Windows server as a relay server with DKIM signing.
I have a number of (trusted) linux servers that are configured to route all their outgoing email through my domains central email server.  (I was previously using MS SMTP virtual server but it doesn't support DKIM out of the box).  I configured SmarterEmail to allow relaying and have that working correctly.  However I'm having an issue getting it to add the DKIM signing.  I created a domain and setup the signing but relaying and the domain configuration appear to be separate.  
What can I do to get Smartermail to sign emails it relays?  (And perform spam checks).

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Von-Austin See Replied
Employee Post
In order for SmarterMail to sign the message, the client must first authenticate. On your client\server that's attempting to relay are you passing valid SMTP credentials ?
Regarding spam checks. I would recommend checking out Bruce's guide for further recommendations. This can be found here:
Von See
Technical Support Supervisor
SmarterTools Inc.
(877) 357-6278

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