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On Wed, 23 Oct 2013, LuKreme wrote:
> OK, I've been banging my head on why my procmail setup for virtual
users is no longer working (difficult to test, since enabling it breaks live
user's mail). There are only a few virtual users who have any sort of
filters in place anyway (the heavy procmail users are local, not virtual), and
they are fairly simple, so I think I can recreate them with sieve.
>
> I think I have everything I need for sieve to work, but now what?
>
> The first thing I want to do is have sieve process recipient_delimiter into
a separate mailbox (creating it, if needed). Googling just for example sieve
scripts comes up empty (well, directing to the dovecot wiki which at least on
the links that come up, does not have sample scripts).
>
> so, foo+bar at example.com will go into foo's mailstore in the folder
.bar/new/
>
> On 27 Sep 2013, at 00:24 , Steffen Kaiser <skdovecot at
smail.inf.fh-brs.de> wrote:
>> Dovecot LDA uses the "-m" option and only
lda_mailbox_autocreate and lda_mailbox_autosubscribe, no need for
recipient_delimiter to override the default mailbox.
>
> Which I still don't understand.
>
> recipient_delimiter = + is the default, so I shouldn't need to set it
in my confs, I just need to setup a sieve recipe (is that what it is called?
script?) that will process these messages, right? What would that look like?
>
> I have to setup the SQL users so that LMTP or LDA is used for deliver, but
I want that to apply only to the sql users. Something like this, maybe?
This particular step is done in your MTA. So, how do you deliver your
messages from the MTA into the mail storage of the user? If you want to
use procmail for system users and Dovecot's LDA/LMTP for virtual users,
you need to configure a separation _there_ already. The MTA decides with
LDA to use: procmail vs. Dovecot.
My reply above applies to the branch, when the MTA uses Dovecot LDA to
deliver messages (to virtual users). Then use the -m option of the Dovecot
LDA, no need for a Sieve script. See http://wiki2.dovecot.org/LDA/Postfix
If you use Dovecot's LMTP service, set lmtp_save_to_detail_mailbox = yes,
no need for Sieve script either. However, Sieve can override this default
mailbox with fileinto, actually both variants just replace the default
mailbox (aka INBOX).
If you want to use a Sieve script, you need to get the "subaddress" of
the
envelope recipient address. I've never done this.
See http://wiki2.dovecot.org/Pigeonhole/Sieve/Examples 2nd example in
section "Plus Addressed mail filtering", however some MTA do not pass
envelope information to Dovecot LDA, LMTP would be required then. See
remark below that example, too.
> userdb {
> args = /etc/dovecot/dovecot-sql.conf.ext
> default_fields = uid=vpopmail gid=vchkpw
mail_location=/usr/local/virtual/%u mail=maildir:/usr/local/virtual/%u
sieve=/var/sieve/%u.sieve protocol_lda=$mailplugins sieve
> driver = sql
> }
>
> I'm sure that protoco_lda isn't the right syntax though.
>
> If I set sieve=/var/sieve/%u.sieve as above would users still be able to
use sieve-manage to manage their own sieve files? And what MUAs support this?
>
> If I left that out, do I put ~/.dovecot.sieve in with the other mailboxes
and {cur,new,tmp} and the index files, or will there be issues? If I put a
dovecot.sieve file there will it just be seen, processed, and work?
>
> (SQL user's $HOME is their maildir)
>
> $ doveconf -n
> # 2.2.5: /usr/local/etc/dovecot/dovecot.conf
> # OS: FreeBSD 9.1-RELEASE i386
> auth_mechanisms = PLAIN LOGIN
> disable_plaintext_auth = no
> first_valid_uid = 89
> login_log_format_elements = user=<%u> %r %m %c
> mail_location = maildir:~/Maildir
> mail_max_userip_connections = 90
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope encoded-character
vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy
include variables body enotify environment mailbox date ihave
> namespace inbox {
> inbox = yes
> location > mailbox Drafts {
> special_use = \Drafts
> }
> mailbox Junk {
> auto = subscribe
> special_use = \Junk
> }
> mailbox NotJunk {
> auto = subscribe
> }
> mailbox Sent {
> special_use = \Sent
> }
> mailbox "Sent Messages" {
> special_use = \Sent
> }
> mailbox Trash {
> special_use = \Trash
> }
> prefix > }
> passdb {
> driver = pam
> }
> passdb {
> args = /etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> protocols = imap sieve
> service auth {
> unix_listener /var/spool/postfix/private/auth {
> mode = 0666
> }
> }
> service imap-login {
> inet_listener imaps {
> port = 993
> ssl = yes
> }
> }
> ssl_cert = </etc/ssl/certs/dovecot.pem
> ssl_key = </etc/ssl/private/dovecot.pem
> userdb {
> driver = passwd
> }
> userdb {
> args = /etc/dovecot/dovecot-sql.conf.ext
> default_fields = uid=vpopmail gid=vchkpw
mail_location=/usr/local/virtual/%u mail=maildir:/usr/local/virtual/%u
> driver = sql
> }
>
- --
Steffen Kaiser
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