[Dovecot] Upgrading Dovecot on CentOS 4 from 0.99 to 1.x

[Timo Sirainen]

On Thu, 2009-09-24 at 09:11 -0400, Josep L. Guallar-Esteve wrote:
> I'm planning to upgrade using the instructions found at dovecot's wiki. On 
> http://atrpms.net/dist/el4/ it is offered in 3 different versions:
> 
> * dovecot 1..0.15-1_73.el4  
> * dovecot 1.1.19-1_96.el4
> * dovecot 1.2.5-0_100.el4
> 
> I have a separated test system, where I'll test upgrading from 0.99 to final 
> selected version, to discover any possible gotchas found while upgrading.
> 
> Two questions:
> 
> 1. Which version is the recommended to upgrade? I'd like stability and as 
> little problems as possible over anything else, as we have a simple set up.

1.1.19 is the guaranteed-working version. I think v1.2.5 is fine too if
you don't use quota (due to a stupid bug that causes it to crash).

> 2. What is the preferred upgrade method? straight upgrade? (099 -> rpm -Fvh 
> dovecot-1.2 ? Or upgrading one release at a time? (0.99 > 1.0 > 1.1 ...)

Since you're using mbox, I think 0.99 -> 1.1 or 1.2 is fine.
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