Re: [Exim] Advice - Building mail platform from scratch

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Auteur: Tony Finch
Date:  
À: Ray Jackson
CC: exim-users
Sujet: Re: [Exim] Advice - Building mail platform from scratch
On Wed, 12 May 2004, Ray Jackson wrote:
>
> Also, if anybody has any advice on migration techniques I would welcome
> your thoughts. We have 70,000+ mailboxes to migrate to the new platform.
> The format of the messages is very simple 'singlefile'
> (timestamp.id.hostname;pid). I need to get them moved to Maildir format
> and of course I want as little down-time as possible... Are there any
> good migration tools I can use... And should I use a POP proxy?


Our migration was made significantly easier by the use of an IMAP/POP
proxy to direct connections to the old or new system depending on the
user. We have a locally-developed proxy, available from
    ftp://ftp.csx.cam.ac.uk/pub/software/email/proxy/
An alternative would be to use the Perdition proxy, which has support for
more user database platforms.


--
Tony Finch <dot@???> http://dotat.at/