> Subject: sendmail+imap to postfix+courier-imap
>
> I will move my mailserver from sendmail & imap to postfix +
> courier-imap.
> The reason is the authentication features with mysql.
>
> The hard thing is move the mailbox to the new maildirs without losing
> emails.
>
> Is there anyway to do that well?? I think in fetchmail.. Could it be?
> I don't want to lose any email so please send me an advice to do it
> properly.
>
> Thank Redhat-List
>
> Fryclau
Greetings,
I asked a similar question earlier this year. Difference is, I'm using
Sendmail->Procmail->Courier-imap. Anyway, here is the info:
Add to '/etc/procmailrc'
CMAILDIR="$HOME/Maildir" #We'll make sure /~user/Maildir/ exists
DUMMY=`test -d $CMAILDIR || /path_to/maildirmake -S $CMAILDIR/`
CMAILDIR="$HOME/Maildir"
DEFAULT="$CMAILDIR/new" #New point of Mail delivery for procmail
LOGFILE="/tmp/$LOGNAME" #Recommended
BULKMAIL=$CMAILDIR/.Bulkmail #For SPAM delivery
DUMMY=`test -d $BULKMAIL || /usr/bin/maildirmake -S $BULKMAIL`
You can check the file 'LOGFILE' for any errors during procmail delivery during
this process.
In '/var/spool/mail/`:
Move the users incoming mbox formatted file to something like 'login.OLD' . ('login'
meaning the users login name)
]# mv login login.OLD
]# cat login.OLD | formail -s procmail -d login &
]# tail -f /tmp/login
Continue if all the new messages are in the users 'DEFAULT' directory as single
files (Maildir/ format). Also, check for any errors in the 'LOGFILE' defined in
'/etc/procmailrc'.
]# cat /dev/null > login
]# rm login.OLD
Procmail will deliver new messages to the DEFAULT folder defined in the
'/etc/procmailrc'. It will also keep an empty file in '/var/spool/mail' in case
DEFAULT delivery is not possible. FYI, Procmail doesn't work well with Sym. links in
the '/var/spool/mail' directory.
Hope this helps,
Ken
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