plugin antispam sa-learn run program failed with exit code -1

Guillaume Lakano - DOVECOT guillaume-dovecot at lakano.org
Fri Aug 21 09:49:39 UTC 2015


Hello !

I've installed iRedMail on an Ubuntu Server 14.04.1

I'm not the only one on the iRedMail forum to have the problem, but the 
developpers of iRedMail doesn't found the problem and advice me to ask 
you directly.

When I want to move an email directly to /Junk/ this not works.
In Thunderbird, the error is : "[SERVERBUG] failed to send mail"
In RoundCube, the error is : "Server Error: UID MOVE: failed to send mail ."

But, if we firstly delete the email, then move the email from /Trash/ to 
/Junk/ this works.


Here is the package versions:

dovecot 2.2.9-1ubuntu2.1
dovecot-antispam 2.0+20130822-2build1
spamassassin 3.4.0-1ubuntu2.1

I have enabled antispam-debug in syslog, and the sa-learn seems to 
return an error:

Aug 20 20:21:13 mail imap: antispam: plugin initialising (2.0-notgit)
Aug 20 20:21:13 mail imap: antispam: verbose debug enabled
Aug 20 20:21:13 mail imap: antispam: "Junk" is exact match spam folder
Aug 20 20:21:13 mail imap: antispam: no unsure folders
Aug 20 20:21:13 mail imap: antispam: "Trash" is exact match trash folder
Aug 20 20:21:13 mail imap: antispam: pipe backend spam argument = --spam
Aug 20 20:21:13 mail imap: antispam: pipe backend not-spam argument = --ham
Aug 20 20:21:13 mail imap: antispam: pipe backend program = 
/usr/bin/sa-learn
Aug 20 20:21:13 mail imap: antispam: pipe backend program arg[0] = -D 
--username=guillaume.XXXX at nydomain.com
Aug 20 20:21:13 mail imap: antispam: pipe backend tmpdir /tmp
Aug 20 20:21:14 mail imap: antispam: mailbox_is_unsure(Junk): 0
Aug 20 20:21:14 mail imap: antispam: mailbox_is_trash(INBOX): 0
Aug 20 20:21:14 mail imap: antispam: mailbox_is_trash(Junk): 0
Aug 20 20:21:14 mail imap: antispam: mail copy: from trash: 0, to trash: 0
Aug 20 20:21:14 mail imap: antispam: mailbox_is_spam(INBOX): 0
Aug 20 20:21:14 mail imap: antispam: mailbox_is_spam(Junk): 1
Aug 20 20:21:14 mail imap: antispam: mailbox_is_unsure(INBOX): 0
Aug 20 20:21:14 mail imap: antispam: mail copy: src spam: 0, dst spam: 
1, src unsure: 0
Aug 20 20:21:14 mail imap: antispam: running mailtrain backend program 
/usr/bin/sa-learn
Aug 20 20:21:14 mail imap: antispam: running mailtrain backend program 
/usr/bin/sa-learn
Aug 20 20:21:14 mail imap: antispam: running mailtrain backend program 
parameter 1 -D --username=guillaume.XXXX at mydomain.com
Aug 20 20:21:14 mail imap: antispam: running mailtrain backend program 
parameter 2 --spam
Aug 20 20:21:16 mail imap: antispam: run program failed with exit code -1


There is no other log in /var/log/dovecot.log or /var/log/mail.log

Here is my dovecot configuration:

# dovecot -n
# 2.2.9: /etc/dovecot/dovecot.conf
# OS: Linux 3.13.0-62-generic x86_64 Ubuntu 14.04.1 LTS
auth_master_user_separator = *
auth_mechanisms = PLAIN LOGIN
dict {
   acl = mysql:/etc/dovecot/dovecot-share-folder.conf
   quotadict = mysql:/etc/dovecot/dovecot-used-quota.conf
}
first_valid_uid = 2000
last_valid_uid = 2000
listen = * [::]
log_path = /var/log/dovecot.log
mail_gid = 2000
mail_location = maildir:%Lh/Maildir/:INDEX=%Lh/Maildir/
mail_plugins = quota mailbox_alias acl
mail_uid = 2000
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 = yes
   location =
   mailbox Drafts {
     auto = subscribe
     special_use = \Drafts
   }
   mailbox Junk {
     auto = subscribe
     special_use = \Junk
   }
   mailbox Sent {
     auto = subscribe
     special_use = \Sent
   }
   mailbox "Sent Messages" {
     auto = no
     special_use = \Sent
   }
   mailbox Spam {
     auto = no
     special_use = \Junk
   }
   mailbox Trash {
     auto = subscribe
     special_use = \Trash
   }
   prefix =
   separator = /
   type = private
}
namespace {
   list = children
   location = maildir:%%Lh/Maildir/:INDEX=%%Lh/Maildir/Shared/%%u
   prefix = Shared/%%u/
   separator = /
   subscriptions = yes
   type = shared
}
passdb {
   args = /etc/dovecot/dovecot-mysql.conf
   driver = sql
}
passdb {
   args = /etc/dovecot/dovecot-master-users
   driver = passwd-file
   master = yes
}
plugin {
   acl = vfile
   acl_shared_dict = proxy::acl
   antispam_backend = pipe
   antispam_debug_target = syslog
   antispam_pipe_program = /usr/bin/sa-learn
   antispam_pipe_program_args = --username=%Lu
   antispam_pipe_program_notspam_arg = --ham
   antispam_pipe_program_spam_arg = --spam
   antispam_spam = Junk
   antispam_trash = Trash
   antispam_verbose_debug = 1
   auth_socket_path = /var/run/dovecot/auth-master
   mailbox_alias_new = Sent Messages
   mailbox_alias_new2 = Sent Items
   mailbox_alias_old = Sent
   mailbox_alias_old2 = Sent
   quota = dict:user::proxy::quotadict
   quota_rule = *:storage=1G
   quota_warning = storage=85%% quota-warning 85 %u
   quota_warning2 = storage=90%% quota-warning 90 %u
   quota_warning3 = storage=95%% quota-warning 95 %u
   sieve = %Lh/sieve/dovecot.sieve
   sieve_before = /var/vmail/sieve/dovecot.sieve
   sieve_dir = %Lh/sieve
   sieve_execute_bin_dir = /usr/lib/dovecot/sieve-execute
   sieve_filter_bin_dir = /usr/lib/dovecot/sieve-filter
   sieve_global_dir = /var/vmail/sieve
   sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.filter 
+vnd.dovecot.execute
   sieve_pipe_bin_dir = /usr/lib/dovecot/sieve-pipe
   sieve_plugins = sieve_extprograms
}
protocols = pop3 imap sieve lmtp
service auth {
   unix_listener /var/spool/postfix/private/dovecot-auth {
     group = postfix
     mode = 0666
     user = postfix
   }
   unix_listener auth-master {
     group = vmail
     mode = 0666
     user = vmail
   }
   unix_listener auth-userdb {
     group = vmail
     mode = 0660
     user = vmail
   }
}
service dict {
   unix_listener dict {
     group = vmail
     mode = 0660
     user = vmail
   }
}
service imap-login {
   process_limit = 500
   service_count = 1
}
service lmtp {
   executable = lmtp -L
   inet_listener lmtp {
     address = 127.0.0.1
     port = 24
   }
   process_min_avail = 5
   unix_listener /var/spool/postfix/private/dovecot-lmtp {
     group = postfix
     mode = 0600
     user = postfix
   }
   user = vmail
}
service managesieve-login {
   inet_listener sieve {
     address = 127.0.0.1
     port = 4190
   }
}
service pop3-login {
   service_count = 1
}
service quota-warning {
   executable = script /usr/local/bin/dovecot-quota-warning.sh
   unix_listener quota-warning {
     group = vmail
     mode = 0660
     user = vmail
   }
}
ssl = required
ssl_cert = </etc/ssl/certs/iRedMail.crt
ssl_cipher_list = 
ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA
ssl_dh_parameters_length = 2048
ssl_key = </etc/ssl/private/iRedMail.key
ssl_prefer_server_ciphers = yes
ssl_protocols = !SSLv2 !SSLv3
userdb {
   args = /etc/dovecot/dovecot-mysql.conf
   driver = sql
}
protocol lda {
   auth_socket_path = /var/run/dovecot/auth-master
   lda_mailbox_autocreate = yes
   lda_mailbox_autosubscribe = yes
   log_path = /var/log/dovecot-sieve.log
   mail_plugins = quota mailbox_alias acl sieve
   postmaster_address = root
}
protocol lmtp {
   info_log_path = /var/log/dovecot-lmtp.log
   lmtp_save_to_detail_mailbox = yes
   mail_plugins = quota sieve
   postmaster_address = postmaster
   recipient_delimiter = +
}
protocol imap {
   imap_client_workarounds = tb-extra-mailbox-sep
   mail_max_userip_connections = 20
   mail_plugins = quota mailbox_alias acl imap_quota imap_acl antispam
}
protocol pop3 {
   mail_max_userip_connections = 20
   mail_plugins = quota mailbox_alias acl
   pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
   pop3_uidl_format = %08Xu%08Xv
}


I don't known if it's a problem related to dovecot or to spamassassin.
If you could help me to solve the problem, this will be really 
appreciated :)

Regards


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