[Pkg-exim4-users] GMail, smarterhost, etc

Chris 'Xenon' Hanson xenon at alphapixel.com
Thu Sep 16 20:00:01 UTC 2010

  I'm finally getting back to being able to work on this, since I've been traveling for
work a lot lately. i had a few questions.

On 8/10/2010 12:18 AM, Antonis Kanouras wrote:
> Oh well...
> The following assumes Exim runs on the same host as the web application. The 
> web application should use "localhost:25" to contact Exim (preferred in your 
> case), or directly run /usr/sbin/sendmail.
> First of all, run
> # dpkg-reconfigure -plow exim4-config
> On the following prompts:
>  - General type of mail configuration:
> 	internet site; mail is sent and received directly using SMTP
>  - System mail name:
> 	(your server's hostname, NOT pinecam.com
> 	Note: make sure it's resolvable by public DNS)

  So, I assume by NOT putting Pinecam.com here, it will prevent attempts at local delivery
of pinecam.com addresses. The trouble is, the server really IS named pinecam.com, so it
sounds like I'll need to add a CNAME entry for something else, so I can use the CNAME
here, right? how different does the CNAME need to be, could it be mail.pinecam.com, or
does it have to be fully out of the pinecam.com domain? I don't know how exim performs its
local delivery matching here.

> Also, don't forget to check your server's IP against a mass blacklist 
> checker such as the one found at http://www.mxtoolbox.com/blacklists.aspx

  We seem to be ok there.

> Lastly, keep in mind that emails from your server will be scored higher as 
> spam if they're originating from a @pinecam.com email address, as Google has 
> published SPF records with such instructions for your domain.

   I don't think that's accurate, is it? Google doesn't control the pinecam.com domain, so
there's no way it can publish SPF records under it.

  I control the SPF records, and I have added both Google's outbound MX'es and our own
internal server as permitted senders.

> Cheers,
> Antonio

Chris 'Xenon' Hanson, omo sanza lettere                  Xenon AlphaPixel.com
PixelSense Landsat processing now available! http://www.alphapixel.com/demos/
"There is no Truth. There is only Perception. To Perceive is to Exist." - Xen

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