Trouble-free steps to upgrade mailscanner?

[Julian Field]

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I don't advise using any of the 4.53 releases, there have been problems 
this month. I will put out a new "beta" of 4.54 very soon (possibly 
next, right now) that will contain all the fixes for the bits I got 
wrong in 4.53.

What operating system are you using?

If you aren't using the Linux distributions of MailScanner, then as 
someone else has already said, you should put it somewhere like 
/opt/MailScanner-x.xx.x (where x.xx.x is the version number) and use a 
soft-link from /opt/MailScanner to the version number. This means that 
you can set it all up in its real location, test all the cron jobs and 
all that sort of stuff. Then switch on Archive Mail in the new version, 
stop it, set the link up to point to the new version, start it and then 
watch it. If it goes bad, just stop it, put the link back, start the old 
version again.

I'll put out a beta right now for you.

Dan Stromberg wrote:
> Hi folks.
>
> (If we can work out a really good, no-hiccup procedure, I promise to
> give back by writing up the process for a web article - I'm a bit of an
> obsessive note taker/summarizer.  That is, assuming someone hasn't already
> done so :)
>
> I have a busy mail server running MailScanner 4.36.4, part NFS, part local.
>
> I need to upgrade it to 100% local MailScanner 4.53.8 (or maybe 4.53.6).
>
> If this mail server goes kerflooie, it's not going to be pretty.  At all.
>
> I'm assuming I'll need to work out the local vs NFS thing with
> site-specifics of course, but what are the basic steps one needs to follow
> to get a trial and tribulation-free mailscanner upgrade - getting it right
> the first time?
>
> For example, is there a way to have two versions of mailscanner running on
> the host at the same time, so you can test the new one, and cut over later
> once you feel confident about the new one by doing something simple, like
> changing a symlink and restarting a daemon?
>
> I'm guessing you'd probably need 2 distinct pairs of sendmail's, but what
> else might one require?
>
> Thanks!
>
>
>
>
>   

- -- 
Julian Field
www.MailScanner.info
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