doveadm backup -R

Timo Sirainen tss at iki.fi
Wed Dec 2 12:00:02 UTC 2015


On 02 Dec 2015, at 10:25, Peer Heinlein <p.heinlein at heinlein-support.de> wrote:
> 
> 
> 
> We're using
> 
> doveadm -o imapc_user="$USER"  -o imapc_password="$PASSWORD"  -o
> imapc_host=$SERVER1 -o pop3c_user="$USER" -o pop3c_password="$PASSWORD"
> -o pop3c_host=$SERVER1 -D -v backup -R -u "$USER" imapc:
> 
> to migrate Mails from Courier to Dovecot.
> 
> 
> We have some complaints on the old system that there are changes on the
> old system where delete mails are appearing again (IMAP) and/or mails
> are downloaded several times (POP3).
> 
> AFAIK there can't be changes on the old system if "backup -R" is used.
> 
> Or is there any situation where changes on the old system (where we
> connect with imapc) may happen?

No.. There really shouldn't be any changes to the source when doveadm backup is used. I can't think of any reason for the behavior you're seeing. You could enable pop3c_rawlog_dir and imapc_rawlog_dir though to see what dsync is doing.



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