On 5.11.2019 18.50, Brad Koehn via dovecot wrote:

I’m trying to follow the instructions on the wiki to move from antispam to IMAPSieve, but it’s not working at all. A bit of a background:

dovecot-core 2:2.3.8-4~buster dovecot-imapd 2:2.3.8-4~buster dovecot-lmtpd 2:2.3.8-4~buster dovecot-managesieved 2:2.3.8-4~buster dovecot-pgsql 2:2.3.8-4~buster dovecot-pop3d 2:2.3.8-4~buster dovecot-sieve 2:2.3.8-4~buster dovecot-solr 2:2.3.8-4~buster

My regular sieve scripts work fine for messages arriving through LMTP. I’ve updated my 20-imap.conf thusly:

## ## IMAP specific settings ##

protocol imap { mail_max_userip_connections = 30

# Space separated list of plugins to load (default is global mail_plugins). mail_plugins = $mail_plugins imap_acl imap_sieve }

plugin { sieve_plugins = sieve_imapsieve sieve_extprograms

sieve_trace_dir = /tmp sieve_trace_level = matching

# From elsewhere to Spam folder imapsieve_mailbox1_name = Spam imapsieve_mailbox1_causes = COPY imapsieve_mailbox1_before = file:/usr/lib/dovecot/sieve/report-spam.sieve

# From Spam folder to elsewhere imapsieve_mailbox2_name = * imapsieve_mailbox2_from = Spam imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_before = file:/usr/lib/dovecot/sieve/report-ham.sieve

sieve_pipe_bin_dir = /usr/lib/dovecot/sieve

sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment }

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I created the report-spam.sieve and report-ham.sieve scripts in /usr/lib/dovecot/sieve and compiled them with sievec:

require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "variables"];

if environment :matches "imap.mailbox" "*" { set "mailbox" "${1}"; }

if string "${mailbox}" "Trash" { stop; }

pipe :copy "sa-learn-pipe.sh" [ "ham" ];

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require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "variables"];

pipe :copy "sa-learn-pipe.sh" [ "spam" ];

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Lastly, I have the sa-learn-pipe.sh script in /usr/lib/dovecot/sieve:

#!/bin/bash

echo "date learning $*" >> /tmp/sa-learn

# We run amavisd-new on another Kubernetes pod and communicate with it via socat on both ends; this worked with the old antispam plugin.

if [ "$*" = "ham" ] ; then socat - TCP:amavis:4443 else socat - TCP:amavis:4444 fi

exit 0

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The /usr/lib/dovecot/sieve directory looks like this: drwxr-xr-x 1 root root 4096 Nov 4 20:49 . drwxr-xr-x 1 root root 4096 Nov 3 20:06 .. -rwxr-xr-x 1 root root 237 Nov 3 15:56 report-ham.sieve -rw-r--r-- 1 root root 384 Nov 4 20:49 report-ham.svbin -rwxr-xr-x 1 root root 122 Nov 3 15:56 report-spam.sieve -rw-r--r-- 1 root root 290 Nov 4 20:49 report-spam.svbin -rwxr-xr-x 1 root root 208 Nov 3 17:58 sa-learn-pipe.sh

When the sieve scripts run when mail arrives during LMTP delivery they dutifully log their work in /tmp, so I know sieve works and sieve logging works too. The sieve scripts above never log anything, nor does /tmp/sa-learn ever get created as it would if sa-learn-pipe.sh were ever run. As far as I can tell I’ve duplicated the configuration from the wiki almost exactly, but dovecot is just not running the sieve scripts when messages are moved into/out of Junk.

What am I missing?

IMAPSieve only works when you MOVE/COPY mail over IMAP connection. It does not affect LMTP delivery.

Try enabling 'mail_debug=yes' to see why it does not work.

Aki