[Dovecot] Mailbox isn't a valid mbox file

Jay Chandler chandler.lists at chapman.edu
Wed Apr 4 20:19:24 EEST 2007

Timo Sirainen wrote:
> On 28.3.2007, at 23.45, Jay Chandler wrote:
>> Keep getting this error within Squirrelmail (and other clients) on 
>> one particular user's mailbox file:
>> ERROR: Could not complete request.
>> Query: SELECT "INBOX.Backup"
>> Reason Given: Mailbox isn't a valid mbox file
>> I've snipped the first and last message off of it, still no love.
>> mailserver# cat FILE | od -c | less
>> 0000000    F   r   o   m       p   r   o   m   o   t   i   o   n   s   @
>> 0000020    e   m   e   s   s   a   g   e   .   c   i   s   c   o   .   c
>> So apparently there isn't a control character in the first message 
>> that'd be causing this either.
> Show me the whole From line? The timestamp is probably in a format 
> that Dovecot doesn't recognize.
First From line:

 From promotions at emessage.cisco.com  Wed Nov 10 11:55:54 2004

Last From line:

 From peoplecom at patioshopsantacruz.com  Mon Mar  5 12:23:52 2007

Jay Chandler
Network Administrator
Chapman University

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