EXIM patches to implement greylisting
Idea: Lena(at)lena.kiev.ua, http://wiki.exim.org/DbLessGreyListingC
Written by: vc(at)vc.org.ua, 2008-06-10
This patchset is intended to be used with FreeBSD port of EXIM (ports/mail/exim)
####INSTALLATION
/etc/make.conf:
.if !empty(.CURDIR:M/*/ports/mail/exim)
EXTRA_PATCHES+=/path/to/greylist.patch
.endif#> make -C /usr/ports/mail/exim/ install [or just "portinstall|portupgrade -W mail/exim"]
#> /usr/bin/install -s -o root -g wheel -m 555 `make -C /usr/ports/mail/exim/ -V BUILD_WRKSRC`/build-`uname -s`-`uname -m`/greylist.so `make -C /usr/ports/mail/exim/ -V LOCALBASE`/libexec/
#> make -C /usr/ports/mail/exim/ clean
#> service exim restart####USAGE
/usr/local/etc/exim/configure:
acl_greylist:
defer log_message = greylisted
!host = 127.0.0.1 : ^(relay|mail|mx|smtp) : *.mail.ru : *.google.com : *.yahoo.com
# parameters -- key, defer-timeout, allow-timeout (in seconds)
condition = ${dlfunc{/usr/local/libexec/greylist.so}{greylist} \
{$sender_host_address,$sender_address}{240}{604800}}
message = Greylisting in progress, please try again later
acl_check_rcpt:
accept local_parts = firstuser : anotheruser
acl = acl_greylist