sieve-filter not respecting :create flag of fileinto

[Aki Tuomi]

> On 12/03/2022 00:04 David Arroyo <david at aqwari.net> wrote:
> 
>  
> Hello,
> 
> I recently significantly modified my sieve rules for filing mailing list
> posts in my Fastmail inbox. The rules contain a few rules that file mail
> like so:
> 
> 	fileinto :create ml.${5}${4}{$3}{$2}{$1}; # reversed list-id
> 
> The rules work as expected on delivery to fastmail. Because these rules
> only run on delivery, and the new folder layout is different from my
> existing one, I want to apply the rules to my existing mail. I thought
> dovecot's `sieve-filter` command, together with the `imapc` storage
> backend, would be a good way to do that, so I moved some existing mail
> into a folder, `sieve-test`, and ran the following:
> 
> 	sieve-filter -x '+editheader +mailbox' -W -e rules.sieve sieve-test
> 
> However, what I see is that sieve-filter fails when the new directory
> does not exist. Here is some example (redacted) output:
> 
> Info: imapc(imap.fastmail.com:993): Connected to x.x.x.x:993 (local x.x.x.x)
> error: msgid=<xxx>: fileinto action: failed to store into mailbox 'ml.gnu.guix-devel': Mailbox does not exist.
> sieve-filter(me): Info: sieve: msgid=<xxx>: left message in mailbox 'sieve-test'
> error: sieve script execution failed for this message; message left in source mailbox.
> sieve-filter(me): Info: sieve: msgid=<yyy>: fileinto action: stored mail into mailbox 'ml.9fans.9fans'
> 
> My config looks like this:
> 
> 	protocols = none
> 	mail_location = imapc:
> 	namespace {
> 	  inbox = yes
> 	  separator = .
> 	}
> 	imapc_host = imap.fastmail.com
> 	imapc_port = 993
> 	imapc_ssl = imaps
> 	imapc_user = $username
> 
> If this is a bug in sieve-filter I'd be happy to try and fix it, but
> I'm reaching out here first to see if this is expected behavior or a
> misconfiguration on my part.
> 
> Thanks for any help,
> David

Hi!

can you provide output of mail_debug=yes logs during delivery?

Aki