Casey Bralla on 19 Aug 2009 14:58:48 -0700

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Re: [PLUG] postfix question

I think your analysis is exactly correct.

Go ahead and make the change, then force a few eMails.  It will either work 
brilliantly, or you stupid idea will make you burn with embarrassment <grin>.

On Wednesday August 19, 2009 4:25:58 pm Eric wrote:
> I'm looking at a Linux web server with postfix running.  It's just handling
> a web application and occasionally sending out alerts via email.
> Let's say that the main domain is  ""
> The Linux server is outside the maindomain company's network and is called
>  DNS routes only requests for to
> this server and all other traffic goes to their company network.
> When the program (php) tries to send an email to an outside domain
> ( it works just fine.
> When the program tries to send an email to the domain
> ( it bounces it (apparently from/to itself?)
> I think that's because the postfix server thinks it's handling mail for
> *
> My suggested cure is to change the line in /etc/postfix/
>    mydestination =,, localhost
> TO
>    mydestination =,, localhost
> Does that make sense or am I out in left field? (yes, those are mutually
> exclusive for purposes of this question.)
> Thanks,
> Eric


Casey Bralla
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