You could try something simple like just for n in *; do cat $n | doveadm save -u targetuser; done
or if the IceWarp has IMAP interface, you could try doveadm -o imapc_host=hostname -o imapc_user=username -o imapc_password=password sync -1R targetuser imapc: Aki > On 26/03/2020 12:11 Stefano Antonelli <dove...@intheworks.ca> wrote: > > > Hello list, > > I recently migrated to Dovecot from a very old version of IceWarp > running on failing hardware running Windows XP. I had a lot of issues > downloading mail through imap. What I have instead are the email files > directly off the harddrive from IceWarp's mail store. > > I rearranged the mail files to look like a Dovecot maildir and tried to > use these emails directly. Dovecot did not complain, but I ran into my > first problem. The emails were out of order on the client side. None > of my imap clients store email. They all just fetch headers and > download mail as it's required. So a resync is not a problem. I just > can't figure out how and I don't know if the filenames are a problem. > > The files I'm working with have this format: > > 2020032512105639B0-000001000000D2D45079615C.imap > > The first part is the date and all the the filenames appear to be > unique. Is it okay to leave them this way or should I rename them in > the same fashion as Dovecot? If so, is there a tool I can use or do I > need to write a script? If I have to write a script, could someone help > me decipher this filename: > > 1585197800.M440284P10160.hostname,S=2812,W=2875:2,S > > I understand the first bit is a unix timestamp. I couldn't find out > what M440284P10160 means or how I might create that number myself to use > in a renaming script. Additionally, I'd like to customise the hostname > without changing the machine's hostname and I understand that the S and > W can also be omitted. I'm not using quotas. I couldn't find anywhere > in the documentation where it talked about any configuration options for > the filenames. Are there any or do I have to patch the source? > > I was also planning on directly backing up the email using rsync, but > the changing filenames with flags is obviously an issue. I understand > that dovecot can store flags in a file instead, if the mailbox is shared > or public. Is there any way to have this behaviour with a private > mailbox? Ideally the filenames are not touched after creation in which > case rsync will work nicely to my NAS. > > The last issue is that since Dovecot went live, I've started receiving > mail. For the time being, I have left my "yet to be migrated" mail > outside of maildir. So Dovecot doesn't know about it. I will need to > merge this newly received mail with my "yet to migrated mail" once I > sort out exactly how to migrate that mail. And I would really like all > the mail to sort properly. > > From what I can tell doveadm is the tool for the job, but I just can't > make sense of the documentation. > > Thanks, > Stef > > Dovecot version: 2.3.4.1 (f79e8e7e4)
