MailScanner.conf and MailScanner.conf.local

[Julian Field]

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Rick Cooper wrote:
>  
>
>  > -----Original Message-----
>  > From: mailscanner-bounces at lists.mailscanner.info 
>  > [mailto:mailscanner-bounces at lists.mailscanner.info] On 
>  > Behalf Of Scott Silva
>  > Sent: Thursday, July 12, 2007 7:02 AM
>  > To: mailscanner at lists.mailscanner.info
>  > Subject: Re: MailScanner.conf and MailScanner.conf.local
>  > 
>  > Julian Field spake the following on 7/11/2007 1:03 PM:
>  > > 
>  > > 
>  > > Nigel Kendrick wrote:
>  > >> Julian et al.
>  > > 
>  > >> It occurs to me that over my not-very-massive pile of 4 
>  > mail servers, many
>  > >> of the settings are common to the lot and if I tweak a 
>  > 'generic' setting on
>  > >> one I generally tweak it on all of them. To this end, is 
>  > it possible (or
>  > >> would it be possible) to have the site-specific settings 
>  > in one config file
>  > >> and generic ones in another (MailScanner.conf.local and 
>  > MailScanner.conf?)
>  > >> so I could arrange for a replication script to keep the 
>  > generics in sync? 
>  > > 
>  > > I guess an "include" command could be possible. It would ruin the 
>  > > upgrade_MailScanner_conf though which would be a great shame.
>  > >> Following on from that, is there (or could there) be a 
>  > mechanism to remotely
>  > >> restart MailScanner - say, for example, by MailScanner 
>  > noticing the creation
>  > >> of /etc/MailScanner/restart.flg that could be put in 
>  > place during a sync
>  > >> operation as mentioned above?
>  > > 
>  > > Things like rsync allow a command to be executed upon 
>  > completion of the 
>  > > sync process.
>  > > 
>  > > Jules
>  > > 
>  > Or you could run mon or monit or something like that, and 
>  > tell it to restart
>  > MailScanner if the conf file changes.
>  > -- 
>  > 
>
> Something I had asked before would be Behavior similar to exim where it
> notices when an external file changes and reloads any data it uses rather
> than using the cached information. If I change something in a lookup file
> (in exim) I don't have to worry about restarting the daemon. So with MS if I
> change something in a rule file it would be nice not to have to restart MS
> to gain access to the changed information. Before it processes a rulefile
> check to see if it has changed and reload if it has. Same with the config
> file, check ever XYZ min and reload if the file has changed. I would think
> some kind of crc or simple stat would work. Of course that might be
> difficult with the internal structure of MS I have never really looked at
> the flow that closely
>   
I haven't done that specifically. I don't like systems that instantly 
notice config changes, as I like to put the change in place and then 
double-check it before it takes effect.

Jules

- -- 
Julian Field MEng CITP
www.MailScanner.info
Buy the MailScanner book at www.MailScanner.info/store

MailScanner customisation, or any advanced system administration help?
Contact me at Jules at Jules.FM

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