System variables in MailScanner.conf

[Drew Marshall]

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James Gray wrote:

>We are currently in the process of migrating our mail gateways to a common 
>operating system and configuration.  Currently they are split between CentOS 
>and FreeBSD.  We found an interesting little "feature" during the most recent 
>upgrade to MS 4.43.8.
>
>The config file refers to "$HOSTNAME" which on our CentOS testing box worked 
>perfectly.  So we got around to pushing the config out to all the production 
>machines.  Problem - only the CentOS-based machines are reporting their 
>hostname, and the FreeBSD boxes aren't.  2 minutes of playing revealed we 
>needed "$HOST" on FreeBSD, and "$HOTNAME" on Linux.  Bah - back to separate 
>configs :(
>
>Just thought this little gem might help others.  As we're not going to be 
>keeping the FreeBSD boxes, I'm not particularly heart-broken.  They are also 
>fairly old (fBSD 4.6.1) which may have something to do with the "$HOST" vs 
>"$HOSTNAME" thing too.  Anyone else seen this?  If this is a fBSD thing, it 
>might be a handy exception to mention in the config file comments.
>  
>
Looks like it's a FreeBSD thing as my FreeBSD boxes (5.3 & 5.4) all like
$HOST and 'Undefined Variable' $HOSTNAME

Just out of interest, why the switch to CentOS over fBSD?

Drew


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