[Dovecot] POP3: Keep a copy on server failed ...

[Dumitru Negara]

Is this a new installation of Dovecot? Or you just upgraded from 0.99?

Dumitru

Dominique Feyer wrote:
> I have this in my configuration:
>
> protocol pop3 {
> pop3_enable_last = no
> pop3_uidl_format = %08Xu%08Xv
> pop3_client_workarounds = outlook-no-nuls, oe-ns-eoh
> }
>
> If I change the pop3_uidl_format I need to remove all the index file on
> my server ? I read on the doc that this change cann't be done on a
> production server ?
>
> I have more than 10'000 accounts on this cluster so I can't have a big
> downtime.
>
> Thanks
>
> Le lundi 17 juillet 2006 à 14:48 +0300, Dumitru Negara a écrit :
>> Hi,
>>
>> Dominique Feyer wrote:
>>> I have a big problem with our cluster, if i read my mail with POP3
>>> client (and check the option, keep a copy on server), every time I read
>>> my mail, my client retrive ALL messages an the mailbox !!!
>>>
>>> I test this with:
>>>
>>> - Apple Mail 1.0 + 2.0
>>> - M$ Outlook 2000 + 2003
>>> - Thunderbird
>>>
>>> We use:
>>> - Dovecot RC1
>>> - Postfix on Debian Sarge (stable)
>>>
>>> Can you know this bug ? Or have a workaround ?
>>>
>>> This function is really important for our customer as we offer a backup
>>> solution for her mails.
>>>
>>> Thanks
>>>
>> It's probably just a configuration issue.
>>
>> If you upgraded from dovecot 0.99 or maybe migrated from another
>> IMAP/POP3 server you should set correctly the "pop3_uidl_format" 
>> parameter.
>>
>> I upgraded from 0.99 to 1.0.rc2 and below is my "pop3_uidl_format":
>>
>> # POP3 UIDL format to use. You can use following variables:
>> #
>> # %v - Mailbox UIDVALIDITY
>> # %u - Mail UID
>> # %m - MD5 sum of the mailbox headers in hex (mbox only)
>> # %f - filename (maildir only)
>> #
>> # If you want UIDL compatibility with other POP3 servers, use:
>> # UW's ipop3d : %08Xv%08Xu
>> # Courier version 0 : %f
>> # Courier version 1 : %u
>> # Courier version 2 : %v-%u
>> # Cyrus (<= 2.1.3) : %u
>> # Cyrus (>= 2.1.4) : %v.%u
>> # Older Dovecots : %v.%u
>> #
>> # Note that Outlook 2003 seems to have problems with %v.%u format
>> which was
>> # Dovecot's default, so if you're building a new server it would be a 
>> good
>> # idea to change this. %08Xu%08Xv should be pretty fail-safe.
>> #
>> # NOTE: Nowadays this is required to be set explicitly, since the old
>> # default was bad but it couldn't be changed without breaking existing
>> # installations. %08Xu%08Xv will be the new default, so use it for new
>> # installations.
>> #
>> #pop3_uidl_format =
>> pop3_uidl_format = %v.%u
>>
>> This works fine even with Outlook 2000/2003. Clients (Thunderbird, OE,
>> Outlook 2000/2003) download just new mails.
>>
>> Regards,
>> Dumitru
>>
>>