Debian Administration

Sort your mail with Sieve under Cyrus

The principal advantage with an imapd server is that your mailbox is the same for all your mail clients. When you need to filter some emails this is usually a job for your mail client - and if it's not running, there's no filtering. Sieve allows you to filter mails in your Cyrus imap server even when you don't have a client open.

Edit the file /etc/imad.conf and uncomment this line to activate the sieve admin :

sieve_admins: cyrus

Then choose the directory of the sieve scripts :

sievedir: /var/spool/sieve

It's time to active sieve daemon, uncomment :

sieve cmd="timsieved" listen="localhost:sieve" prefork=0 maxchild=100

Once all that is done restart your cyrus daemon.

You can verify that the service is activated :

linux:/home/leto# cat /etc/services | grep sieve
sieve           2000/tcp                        # Sieve mail filter daemon

Here are some simple examples (location of the script doesn't matter) :

cat script.sieve
# If subject contains [Linux] then put it on the "Linux" box.
if header :contains "Subject" "[Linux]" { fileinto "Linux"; stop; }

# If mail is from cube3 company put it on the "Cube3" box.
if address :domain :is "From" "cube3.org" { fileinto "Cube3"; stop; }

# If mail address is one of my friend bob put it on "Mybudbob" box.
if address :is "From" ["premiere@adresse.monpote", "deuxieme@adresse.monpote"] \
{ fileinto "MonpoteBob"; stop; }

# Same thing but just for one address.
if header :contains "From" "Cron Daemon" { fileinto "Reports"; stop; }

If there's no shell use option : --user=*user*

sieveshell localhost
>put script.sieve
>activate script.sieve
>quit

Your script is ready :)

Verify your syslog, if you have the following error:

Fileinto: Invalid mailbox name

Then you can fix this by replacing in your your script : target by INBOX.target or INBOX/target depending on your cyrus version.

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