[Spamassassin Wiki] Trivial Update of "IntegratedSpamdInPostfix" by jez9999

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The "IntegratedSpamdInPostfix" page has been changed by jez9999:
http://wiki.apache.org/spamassassin/IntegratedSpamdInPostfix?action=diff&rev1=36&rev2=37

Comment:
Trying to get the shebang to display

  = Integrating SpamAssassin into Postfix using spamd =
- 
  To integrate SpamAssassin into Postfix, you'll need to pipe incoming e-mail through a script or program that passes the e-mail to SpamAssassin for rewriting, and then either chooses to send it on or discard it (you may wish to discard it, for example, if SpamAssassin reports a very high spam score).
  
  Below are some examples of how to do this using your own script to feed e-mail to SpamAssassin.  Aside from the methods below, you can look in the examples folder included with SpamAssassin (located, for example, at /usr/share/doc/spamassassin/examples on Debian installs by default) for other options, like procmail.
@@ -12, +11 @@

  This is a simple method to integrate SpamAssassin.  All spam e-mail will still come through to your address(es), but it will be clearly marked as spam.
  
  1) Create a bash script to receive e-mail from Postfix and pipe it to SpamAssassin for rewriting.  Then forward the rewritten version to Postfix's sendmail implementation:
- {{{
+ 
- #!/bin/sh
+ {{{#!/bin/sh
- # 
+ #
  # This script should probably live at /usr/bin/spamfilter.sh
  # ... and have 'chown root:root' and 'chmod 755' applied to it.
- # 
+ #
  # Simple filter to plug SpamAssassin into the Postfix MTA
- # 
+ #
  # Modified by Jeremy Morton
- # 
+ #
  # For use with:
  #    Postfix 20010228 or later
  #    SpamAssassin 2.42 or later
- # 
+ #
  # Note: Modify the file locations to match your particular
  #       server and installation of SpamAssassin.
  
@@ -45, +44 @@

  2) Ensure the newly-created /usr/bin/spamfilter.sh has correct permissions (0755), and is owned by root:root.
  
  3) Modify the /etc/postfix/master.cf file; first, change the first 'smtp' line of the file to:
+ 
  {{{
    smtp      inet  n       -       -       -       -       smtpd -o content_filter=spamfilter
  }}}
  Then, add the following (a call to our newly-created spamfilter script) at the end:
+ 
  {{{
    spamfilter
              unix  -       n       n       -       -       pipe
@@ -61, +62 @@

  Now, Postfix should be sending every incoming e-mail through the spamfilter.sh script (which means it's going through SpamAssassin), with the e-mail headers (and maybe the rest of the e-mail, if it's spam) being rewritten before being delivered to the target mailbox.  Optionally, you may wish to tweak SpamAssassin's configuration to cause it to rewrite the e-mails in a more useful way (only rewrite spam mail subject but not whole e-mail, add a 'ham' header to give detailed info on even non-spam, etc.)
  
  5) (optional) Tweak SpamAssasin's configuration.  Ensure that the below is in /etc/mail/spamassassin/local.cf:
+ 
  {{{
    # Rewrite the subject of suspected spam e-mails
    rewrite_header Subject *****SPAM*****
@@ -71, +73 @@

    # Set the threshold at which a message is considered spam (3 is usually sufficient)
    required_score 3.0
  }}}
- 
  == Perl script to discard very obvious spam ==
  TODO: describe a similar method to above, but with a Perl script that looks at the rewritten headers and discards spam that is, say, scored higher than 7.  That means < 3 is OK, 3-7 is marked as spam but delivered, > 7 is discarded.
  
@@ -97, +98 @@

  }}}
  2) Create filter.sh as follows:
  
- {{{
- #!/bin/sh
+ {{{#!/bin/sh
  
  # filter.sh
  #
@@ -231, +231 @@

  }}}
  and create a `filter.sh` as follows:
  
- {{{
- #!/bin/bash
+ {{{#!/bin/bash
  SENDMAIL="/usr/sbin/sendmail -i"
  SPAMASSASSIN=/usr/bin/spamc