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use the Dovecot managesieve service to manage sieve scripts

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This lets roundcube's manageseive plugin do cool things like vacation responses.

Also:

* Run the spam filtering sieve script out of a global sieve file that we'll place in /etc/dovecot. It is no longer necessary to create per-user sieve files for this. Remove them with a new migration. Remove the code that created them.

* Corrects the spam script. Backslashes were double-escaped probably because this script started embedded within the bash script. Not sure how this was working until now.

this adapts work by @h8h in #103
This commit is contained in:
Joshua Tauberer
2014-07-10 07:40:51 +00:00
parent e713af5f5a
commit 85bd2c8804
5 changed files with 44 additions and 22 deletions
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42
setup/mail-dovecot.sh
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@@ -20,7 +20,8 @@ source /etc/mailinabox.conf # load global vars
# Install packages.
apt_install \
dovecot-core dovecot-imapd dovecot-lmtpd dovecot-sqlite sqlite3 dovecot-sieve
dovecot-core dovecot-imapd dovecot-lmtpd dovecot-sqlite sqlite3 \
dovecot-sieve dovecot-managesieved
# The dovecot-imapd dovecot-lmtpd packages automatically enable IMAP and LMTP protocols.
@@ -86,18 +87,35 @@ tools/editconf.py /etc/dovecot/conf.d/15-lda.conf \
# SIEVE
# Enable the Dovecot sieve plugin which let's us set a script that automatically moves
# spam into the user's Spam mail filter. (Note: Be careful if we want to use multiple
# plugins later.)
#
# The actual sieve script is copied into user mailboxes at the time the user account
# is created. Our script moves spam into the user's Spam folder.
# Enable the Dovecot sieve plugin which let's users run scripts that process
# mail as it comes in. We'll also set a global script that moves mail marked
# as spam by Spamassassin into the user's Spam folder.
sudo sed -i "s/#mail_plugins = .*/mail_plugins = \$mail_plugins sieve/" /etc/dovecot/conf.d/20-lmtp.conf
# PERMISSIONS
cat > /etc/dovecot/conf.d/99-local-sieve.conf << EOF;
plugin {
# The path to our global sieve which handles moving spam to the Spam folder.
sieve_before = /etc/dovecot/sieve-spam.sieve
# Make the place for mailboxes.
mkdir -p $STORAGE_ROOT/mail
# The path to the user's main active script. ManageSieve will create a symbolic
# link here to the actual sieve script. It should not be in the mailbox directory
# (because then it might appear as a folder) and it should not be in the sieve_dir
# (because then I suppose it might appear to the user as one of their scripts).
sieve = $STORAGE_ROOT/mail/sieve/%d/%n.sieve
# Directory for :personal include scripts for the include extension. This
# is also where the ManageSieve service stores the user's scripts.
sieve_dir = $STORAGE_ROOT/mail/sieve/%d/%n
}
EOF
# Copy the global sieve script into where we've told Dovecot to look for it. Then
# compile it. Global scripts must be compiled now because Dovecot won't have
# permission later.
cp `pwd`/conf/sieve-spam.txt /etc/dovecot/sieve-spam.sieve
sievec /etc/dovecot/sieve-spam.sieve
# PERMISSIONS
# Ensure configuration files are owned by dovecot and not world readable.
chown -R mail:dovecot /etc/dovecot
@@ -107,6 +125,10 @@ chmod -R o-rwx /etc/dovecot
mkdir -p $STORAGE_ROOT/mail/mailboxes
chown -R mail.mail $STORAGE_ROOT/mail/mailboxes
# Same for the sieve scripts.
mkdir -p $STORAGE_ROOT/mail/sieve
chown -R mail.mail $STORAGE_ROOT/mail/sieve
# Allow the IMAP port in the firewall.
ufw_allow imaps