let me ask the postfix gurus a question about content fitering.
postfix provides two methods of content filtering: smtp and pipe.
the first is configured like so:
content_filter = smtp:localhost:10024
where at port 10024 there is another SMTP daemon listening, which
processes the message (e.g. virus scans it) and then sends it back to
e.g. smtp:localhost:10025, where there's an smtpd instance with
-o 'content_filter=' defined to handle the final delivery of the
message.
the pipe method employs a line like
vscan unix - n n - 10 pipe flags=q user=amavis argv=/usr/sbin/amavis
in postfix' master.cf file, thereby defining a new "transport" that
can be incorporated as a content_filter by setting
content_filter = vscan
my question is:
with content filters that speak SMTP, it's not a problem to define an
SMTP chaining e.g.
postfix @ localhost:25 hands message over to
amavis @ localhost:10023 after processing hands message over to
spamassassin @ localhost:10024 after processing hands message over to
postfix @ localhost:10025 which processes for final delivery
is it possible to do this with pipe content_filters? i am envisioning
content_filter = vscan, antispam
where antispam is a pipe handing off to spamassassin.
when i try this, however, the logs bitch this:
postfix/qmgr: warning: connect to transport vscan, antispam: \
No such file or directory
how to go from here?
--
martin; (greetings from the heart of the sun.)
\____ echo mailto: !#^."<*>"|tr "<*> mailto:"; net@madduck
micr$soft is not the answer -- micro$oft is the question.
no is the answer.
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