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====== Rspamd ======

[[https://www.rspamd.com/|rspamd]] est un système de filtrage de spam open-source.

==== Ressources ====

[[https://rspamd.com/downloads.html|Site officiel]] de rspamd
[[https://dev.sigpipe.me/dashie/setup_mail|Setup]] de dashie pour le script d'antispam

==== Installation ====

__Ajout repository non-officiel__ : 

Le repository officiel de debian n'est plus maintenu, il fautd onc utiliser la version upstream.

Le fichier ''/etc/apt/sources.lists.d/rspamd.list'' a été ajouté pour gérer le logiciel. Il faut ensuite ajouter la clef du repository pour pouvoir installer rspamd :

    $ wget -O- https://rspamd.com/apt-stable/gpg.key | sudo apt-key add -

<code|h /etc/apt/sources.list.d/rspamd.list>
deb http://rspamd.com/apt-stable/ stretch main 
</code>

__Upgrade__ : apt-get upgrade

__Installation__ : apt-get install rspamd

==== Administration ====

FIXME: A écrire

<code|python /usr/local/bin/rspamd.py>
#!/usr/bin/env python3
# Python 3.5+ required
# Script by https://sitedethib.com/
# Source adapted to 3.5 from dashie version https://dev.sigpipe.me/dashie/setup_mail/src/master/rspamd.py

import sys
import smtplib
import subprocess
import syslog
import time

t_start = time.time()

SMTP_HOST   = '127.0.0.1'
SMTP_PORT   = 10025
RSPAMC_BIN  = '/usr/bin/rspamc'
RSPAMC_ADDR = '127.0.0.1:11333'

mail_from     = sys.argv[1]
rcpt_to       = sys.argv[2]

def size(size, decimal_places):
    for unit in ['','KB','MB','GB','TB']:
        if size < 1024.0:
            break
        size /= 1024.0
    return "{size:.{decimal_places}f}{unit}".format(size=size, decimal_places=decimal_places, unit=unit)

syslog.openlog(logoption=syslog.LOG_PID, facility=syslog.LOG_MAIL)

# Pipe stdin to rspamc, and get the processed mail back
#XXX: this means the processed mail stays in RAM, which may not be what we want?
completed_process = subprocess.run([RSPAMC_BIN, '--mime', '-h', RSPAMC_ADDR, '-P', 'saucisse'],
                                   stdin=sys.stdin, stdout=subprocess.PIPE,
                                   check=True)

# Remove 'Delivered-To' header from rspamc's output
mail_contents = completed_process.stdout
mail_contents = b'\n'.join(l for l in mail_contents.split(b'\n') if not l.startswith(b'Delivered-To'))

with smtplib.SMTP(SMTP_HOST, SMTP_PORT) as smtp:
    smtp.sendmail(mail_from, rcpt_to, mail_contents)

t_end = time.time()

syslog.syslog("rspamd-bridge processed {} mail in {}".format(size(len(mail_contents), 1), t_end - t_start))
</code>