thr3ads.net - dovecot - sieve filter not working [Jan 2015]

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Michael Williamson

2015-Jan-22 19:11 UTC

sieve filter not working

Hi,

I have a question.

I have dovecot 2.0.9 running on a CentOS 6.6 email server for a small
department, ~15 users.
amavis and postfix are also enabled.

It appears that amavis invokes spamassassin, which tags incoming spam
email. All email is then put into users local inbox directory,
regardless of spam tag X-Spam_Flag value of YES or NO. I want instead
to redirect spam to a special directory.

I put a sieve filter in users home directory,
"/home/user/.dovecot.sieve":

require ["fileinto"];
# Move spam to spam folder
if header :contains "X-Spam-Flag" ["YES"] {
  fileinto "Maildir/.SPAM";
  stop;
}

I try different target directory for fileinto, ".SPAM",
"/home/user/Maildir/.SPAM/cur", etc.. I know that those directories
exist.

The configure file "/etc/dovecot/dovecot.conf" is in original state.

I changed one line in configure file
"/etc/dovecot/conf.d/15-lda.conf":

protocol lda {
  # Space separated list of plugins to load (default is global mail_plugins).
  mail_plugins = sieve $mail_plugins
}

I changed one line in configure file
"/etc/dovecot/conf.d/20-lmtp.conf":

 protocol lmtp {
  # Space separated list of plugins to load (default is global mail_plugins).
  mail_plugins = sieve $mail_plugins
}

The configure file "/etc/dovecot/conf.d/90-sieve.conf" is unchanged,
the relevant part is:

plugin {
  # The path to the user's main active script.
  sieve = ~/.dovecot.sieve
  ...

I restarted dovecot. I checked that it is running. The configuration command

 # doveconf -a

output is attached.

It is not working. How do I diagnose the problem?

Thanks,
-Mike
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Thomas Leuxner

2015-Jan-22 19:49 UTC

head link

sieve filter not working

* Michael Williamson <michael.h.williamson at gmail.com> 2015.01.22 20:11:
> I have dovecot 2.0.9 running on a CentOS 6.6 email server for a small
This is a notorious version. Not only is it hopelessly outdated, it used to
contain broken features way back...
> require ["fileinto"];
> # Move spam to spam folder
> if header :contains "X-Spam-Flag" ["YES"] {
>   fileinto "Maildir/.SPAM";
>   stop;
> }
The mail is very awkwardly structured, I had trouble spotting the actual
question FTR. You may set mail_debug to yes:

$ grep mail_debug *
10-logging.conf:#mail_debug = no

This will then produce verbose logging and most likely will help spotting the
reason why the mail is not filed. Inject a mail with logging raised and post the
relevant log excerpt here for further analysis. I have a feeling that it should
just say fileinto "SPAM", but difficult to say without seeing log
output.

Current Dovecot versions also have the benefit of the sieve-test tool which lets
you apply rules to mailboxes and see what would happen, or refilter mail if
you're happy with the outcome of the dry-run.

Regards
Thomas
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Michael Williamson

2015-Jan-22 21:41 UTC

head link

sieve filter not working

Hi,

OK. I tried your suggestion. I modified the dovecot config file
"10-logging.conf", like so:

 log_path = syslog

and

 mail_debug = yes

It appears that the logging goes to "/var/log/maillog", not
"messages"
as I expected.
Restarting service dovecot produces info in the "maillog" file showing
the restart:
...
Jan 22 15:20:14 coe dovecot: imap: Server shutting down. bytes=3383/61998
Jan 22 15:20:15 coe dovecot: master: Dovecot v2.0.9 starting up (core
dumps disabled)

However, when I send a spam email to a user, the log has no dovecot messages:

Jan 22 15:11:15 coe postfix/pickup[27525]: E3CA72578F: uid=0 from=<root>
Jan 22 15:11:15 coe postfix/cleanup[27819]: E3CA72578F:
message-id=<20150122211115.E3CA72578F at coe.tsuniv.edu>
Jan 22 15:11:15 coe postfix/qmgr[10863]: E3CA72578F:
from=<root at coe.tsuniv.edu>, size=10173, nrcpt=1 (queue active)
Jan 22 15:11:16 coe amavis[27456]: (27456-07) LMTP:[127.0.0.1]:10024
/var/spool/amavisd/tmp/amavis-20150122T150549-27456-7GX8WObe:
<root at coe.tsuniv.edu> -> <mwilliamson at coe.tsuniv.edu>
SIZE=10173
Recei$
Jan 22 15:11:16 coe amavis[27456]: (27456-07) Checking: nS2V0oL2RKlj
<root at coe.tsuniv.edu> -> <mwilliamson at coe.tsuniv.edu>
Jan 22 15:11:18 coe postfix/smtpd[27825]: connect from
localhost.localdomain[127.0.0.1]
Jan 22 15:11:18 coe postfix/smtpd[27825]: 86B2223871:
client=localhost.localdomain[127.0.0.1]
Jan 22 15:11:18 coe postfix/cleanup[27819]: 86B2223871:
message-id=<20150122211115.E3CA72578F at coe.tsuniv.edu>
Jan 22 15:11:18 coe postfix/smtpd[27825]: disconnect from
localhost.localdomain[127.0.0.1]
Jan 22 15:11:18 coe postfix/qmgr[10863]: 86B2223871:
from=<root at coe.tsuniv.edu>, size=10891, nrcpt=1 (queue active)
Jan 22 15:11:18 coe amavis[27456]: (27456-07) nS2V0oL2RKlj FWD from
<root at coe.tsuniv.edu> -> <mwilliamson at coe.tsuniv.edu>,
BODY=7BIT 250
2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as $
Jan 22 15:11:18 coe amavis[27456]: (27456-07) Passed SPAMMY
{RelayedTaggedInbound}, <root at coe.tsuniv.edu> ->
<mwilliamson at coe.tsuniv.edu>, Message-ID:
<20150122211115.E3CA72578F at coe.tsuniv.edu>, mail_i$
Jan 22 15:11:18 coe postfix/lmtp[27821]: E3CA72578F:
to=<mwilliamson at coe.tsuniv.edu>, relay=127.0.0.1[127.0.0.1]:10024,
delay=2.8, delays=0.11/0.04/0/2.6, dsn=2.0.0, status=sent (250 2.0.0
from MTA(smt$
Jan 22 15:11:18 coe postfix/qmgr[10863]: E3CA72578F: removed
Jan 22 15:11:18 coe postfix/local[27827]: 86B2223871:
to=<mwilliamson at coe.tsuniv.edu>, relay=local, delay=0.14,
delays=0.05/0.04/0/0.04, dsn=2.0.0, status=sent (delivered to maildir)
Jan 22 15:11:18 coe postfix/qmgr[10863]: 86B2223871: removed

I attached the above snippet of log file lines to this email.

However, just watching the maillog file, dovecot messages do appear, like these:

Jan 22 15:37:12 coe dovecot: imap-login: Login: user=<burks>,
method=PLAIN, rip=::1, lip=::1, mpid=29204, TLS
Jan 22 15:37:12 coe dovecot: imap(burks): Disconnected: Logged out bytes=94/856

So, is it postfix doing the local mail delivery, not dovecot? Could
dovecot debug messages be
going to a different log file? (They are not in "/var/log/messages").

Thanks,
-Mike



On 1/22/15, Thomas Leuxner <tlx at leuxner.net>
wrote:> * Michael Williamson <michael.h.williamson at gmail.com> 2015.01.22
20:11:
>
>> I have dovecot 2.0.9 running on a CentOS 6.6 email server for a small
>
> This is a notorious version. Not only is it hopelessly outdated, it used to
> contain broken features way back...
>
>> require ["fileinto"];
>> # Move spam to spam folder
>> if header :contains "X-Spam-Flag" ["YES"] {
>>   fileinto "Maildir/.SPAM";
>>   stop;
>> }
>
> The mail is very awkwardly structured, I had trouble spotting the actual
> question FTR. You may set mail_debug to yes:
>
> $ grep mail_debug *
> 10-logging.conf:#mail_debug = no
>
> This will then produce verbose logging and most likely will help spotting
> the reason why the mail is not filed. Inject a mail with logging raised and
> post the relevant log excerpt here for further analysis. I have a feeling
> that it should just say fileinto "SPAM", but difficult to say
without seeing
> log output.
>
> Current Dovecot versions also have the benefit of the sieve-test tool which
> lets you apply rules to mailboxes and see what would happen, or refilter
> mail if you're happy with the outcome of the dry-run.
>
> Regards
> Thomas
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Steffen Kaiser

2015-Jan-23 07:17 UTC

head link

sieve filter not working

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Thu, 22 Jan 2015, Michael Williamson wrote:
>
> require ["fileinto"];
> # Move spam to spam folder
> if header :contains "X-Spam-Flag" ["YES"] {
>  fileinto "Maildir/.SPAM";
>  stop;
> }
>
> It is not working. How do I diagnose the problem?
There should be an .err file in the location of the binary form of the 
Sieve script.

Also, the argument of fileinto looks wrong; maybe it was correct in v2.0, 
but current versions would require just "SPAM";

- -- 
Steffen Kaiser
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Oscar del Rio

2015-Jan-23 14:21 UTC

head link

sieve filter not working

On 22/01/2015 2:11 PM, Michael Williamson wrote:> I put a sieve filter in users home directory,
"/home/user/.dovecot.sieve":
>
> require ["fileinto"];
> # Move spam to spam folder
> if header :contains "X-Spam-Flag" ["YES"] {
>    fileinto "Maildir/.SPAM";
>    stop;
> }
http://wiki2.dovecot.org/Pigeonhole/Sieve/Examples

require "fileinto";
if header :contains "X-Spam-Flag" "YES" {
   fileinto "Spam";
}

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