Syncing Mail After Cut Over

2008-04-28 Thread Chris Maness
Whould it be acceptable to use rsync to sync the mail spool after using 
dump/restore onto new hardware?  I plan on doing some testing first and 
leave the original server up while testing, so the servers mail spool will 
be out of sync.


Chris Maness
(909) 223-9179
http://www.chrismaness.com
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Re: Syncing Mail After Cut Over

2008-04-28 Thread Bill Campbell
On Mon, Apr 28, 2008, Chris Maness wrote:
Whould it be acceptable to use rsync to sync the mail spool after using 
dump/restore onto new hardware?  I plan on doing some testing first and 
leave the original server up while testing, so the servers mail spool will 
be out of sync.

This is easy if your mail stores use Maildir where each message
is in a file.  I have done it many times, including at ISPs with
tens of thousands of e-mail accounts.  We set up a new server,
create the necessary accounts on it, move all DNS to point to
that server so that clients go to the new one, then rsync over
their old $HOME directories to the new server.

It's a completely different kettle of fish if the mail stores are
in single files such as the standard BSD/Unix mail stores, U.W.
IMAP's binary format, etc.

Bill
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