On 07/03/2011 10:22 PM, ml@smtp.fakessh.eu wrote:
I met a few times the problem or an email that passes through a sieve script is silently discard after delivery but never returned to the inbox
all testimonials are welcome
[...]
plugin { [...] plugin = $mail_plugins autocreate managesieve sieve sieve = ~/.dovecot.sieve sieve_before = /var/sieve-scripts/roundcube.sieve sieve_dir = ~/sieve sieve_global_path = whatever }
[...]
egrep lda /var/Log/maillog [...] 2011-07-03 19:47:15lda(fakessh): Debug: sieve: executed before user's script(1): /var/sieve-scripts/roundcube.sieve [...] 2011-07-03 19:47:15lda(fakessh): Debug: sieve: executing script from /var/sieve-scripts/roundcube.svbin 2011-07-03 19:47:15lda(fakessh): Info: sieve: msgid=6EBEE5FC-62B1-4C73-B26E-DEBFD6E26DB6@shorewall.net: marked message to be discarded if not explicitly delivered (discard action)
I would not call this a silent discard: it is reported in the log above. Also, the contents of roundcube.sieve that you showed in an earlier thread contained a single discard action, which is therefore the only likely culprit. Now the question boils down to: why is this discard action triggered? The interesting part of the script is the following:
require ["comparator-i;ascii-numeric","relational"]; if header :value "ge" :comparator "i;ascii-numeric" ["X-Spam-score"]["500"] { discard; stop; }
Since the message is discarded, it will most likely be impossible to retrieve that message and check why it fires this rule. The relatively innocent situation would be that your Spam filter truly produces this interesting score of > 500. A less innocent case would be a bug in the Sieve interpreter. Either way, we need to have access to one of those messages that triggers this rule and gets discarded without apparent reason.
My suggestion is to replace that discard;' action with a fileinto
:create "Debug";' action (:create creates the folder implicitly; depends
on mailbox extension require) to file messages that would normally be
discarded into a special folder for later evaluation. Alternatively, you
can redirect such messages to a special mail account.
Only then can we trace this problem any deeper.
Regards,
Stephan.