--Mark Janssen wrote on 05.03.03 23:56 +0100:
>> It takes about two lines of code to record the contents of
>> $BLOCK2 in a X-Spam-header for later filtering.
>
> How would I do this... do you have a code snippet as an example
>
>> You still can assign 'non-false-positives-lists' like SBL,
>> UPL, SORBS and alike to $BLOCK and reject them right away.
>
> I have setup some of the DNS based filters to set the $BLOCK2 variable.
> I'm assuming I'll have to get maildrop to check this and then file the
> mail away in a spambox, but AFAIK maildrop can't access the BLOCK or
> BLOCK2 variables (running in delivery mode)
Inserting a header is the only way to communicate with the
delivery-module. I am also planning a patch there so maildrop
wont be needed anymore for quarantine to the Spamfolder.
At courier/submit.C, linenumbers are probably somewhat off due
to other stuff, but copy&paste should work.
One probably should sanitize the contents, non-ascii could mess
up everything.
char *safe = rfc2047_encode_str(header, RFC2045CHARSET);
which works as epected, or maybe even script-alike:
header += rfc2047_encode_str(p, RFC2045CHARSET);
but I dont include that here until tested, and dont really
know what would happen with embedded \n.
Improved and tested patch welcome ;)
@@ -933,26 +958,112 @@
const char *p;
my_rcptinfo.submitfile.MessageStart();
+// PATCH: record some headers if received via esmtp
+ if(!strncmp(mf->module->name, "esmtp", 5))
+ {
+ // PATCH: record contents of SPAM or BLOCK2 in topmost header
+ // may be set either from esmtpdaccess, dnsbl or per-user filter-api
+ // plan: messages with 'X-Spam:' should be delivered into spamfolder
+ if((p=getenv("BLOCK2")) && *p)
+ {
+ header = "X-Spam: "; header += p;
+ header.TrimRight(); header += "\n"; // fix up
+ my_rcptinfo.submitfile.Message(header);
+ }
line="Received: from ";
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