Daniel Eckl deckl at
Thu Sep 21 05:04:37 EDT 2006

Craig White wrote:
> On Wed, 2006-09-20 at 23:51 -0400, Jorey Bump wrote:
>> Sarah Walters wrote:
>>> Benjamin,
>>>> I need to reconstruct everyone mailbox.  But should I need to take  
>>>> the mail server down?
>>>> or just have people close email and still allow incoming messages?
>>> Just queue the mail on your MTA (sendmail, postfix, exim, qmail,
>>> esoteric-server-of-your-choice). If they're not accessing the mail, it
>>> doesn't need to be delivered to their mailboxes anyway. So in short,
>>> yes, take it down. But leave your MTA up to accept mail. If you're using
>>> the patches to Cyrus to do recipient checking this will probably break
>>> though, so you might need to temporarily disable those checks and just
>>> accept all mail addressed to your domain whether the account exists or
>>> not.
>> IMHO, this is worse than shutting down the MTA temporarily, which allows 
>> mail to be queued on the sender's MTA. If the process runs within a 
>> reasonable amount of time, you restart Cyrus, the MTA, collect/reject 
>> mail as remote MTAs retry, and prevent becoming a backscatter source.
> ----
> I must be a moron then because I just run reconstruct without shutting
> down anything. It's always seemed to work for me.
> Craig

Hmmm yes, I want to second that. I have often restored accidentally
deleted mail folders from tape, copied them back into the mailbox
structure and reconstructed the folder. I never had any issue with that...

Does anybody really know any drawback of reconstructing without downtime?


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