Somewhat OT: Clustering and HA

Ugo Bellavance ugob at
Tue Feb 26 15:36:40 GMT 2008

Alex Neuman wrote:
> Dear list,
>  From time to time people have been discussing how to set up MailScanner 
> so that you can get a highly-available configuration. NFS and locking 
> have been discussed along with other details regarding how "shared" the 
> configuration is between clusters.

XML-RPC in mailwatch allows to do a MailScanner setup with central DB.

> I'd like to see if it would be possible to use a "pretty standard" 
> config of centos(or 
> rh)+ms+sendmail+dovecot+clamav+spamassassin+mailwatch(maybe)/etc. and 
> how I could either "install from scratch" as a cluster or possibly 
> "upconvert" one.

I'd set a series of MailScanner servers, a seperate MySQL server, and 
two or more HA'd dovecot servers in backend.  Depends of your load of 


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