[Spamassassin Wiki] Update of "IntegratedInMta" by GAVollink

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The following page has been changed by GAVollink:
http://wiki.apache.org/spamassassin/IntegratedInMta

The comment on the change is:
Changes under Exim - the exiscan-acl patch was merged with the main Exim tree.

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  SpamAssassin can be integrated into [http://www.exim.org/ Exim] in three ways:
  
-  1. As an [http://duncanthrax.net/exiscan-acl/ Exiscan]-extended ACL condition stack, Exim can reject spam after reading the body, but before Exim acknowledges acceptance of the email. [http://www.debian.org/ Debian Linux]'s exim4-daemon-heavy comes with the exiscan patch built in. You can discover its presence in your distro's exim binary directly with the command {{{exim -bV}}} or {{{exim4 -bV}}}; look for the phrase {{{Contains exiscan-acl patch}}}.
+  1. As of Exim 4.50, by compiling Exim using WITH_CONTENT_SCAN=yes (see [http://www.exim.org/exim-html-4.50/doc/html/spec_4.html#SECT4.4 details], [http://www.exim.org/exim-html-4.50/doc/html/spec_40.html#SECT40.2 more]).  As an Exim 4.4x [http://duncanthrax.net/exiscan-acl/ Exiscan]-extended ACL condition stack, Exim can reject spam after reading the body, but before Exim acknowledges acceptance of the email. [http://www.debian.org/ Debian Linux]'s exim4-daemon-heavy comes with the exiscan patch built in. You can discover its presence in your distro's exim binary directly with the command {{{exim -bV}}} or {{{exim4 -bV}}}; look for the phrase {{{Contains exiscan-acl patch}}}.
  
   1. As an Exim 4.x loadable module or local_scan.c replacement. [http://marc.merlins.org/linux/exim/sa.html SA-Exim] also allows SpamAssassin to reject spam before its accepted by your MTA. More info at [http://www.timj.co.uk/linux/exim.php].