Remove the use of time_t in the greylist db file and use int64_t instead
with backwards compatibility for records with 32-bit times.
OK deraadt@ beck@

Add -M option to specify a local address that is a lower priority MX
address than the primary one. spamd will trap hosts that contact this
address first without first contacting the primary.
- get it

Add -M option to specify a local address that is a lower priority MX
address than the primary one. spamd will trap hosts that contact this
address first without first contacting the primary.
- get it in, deraadt@

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Database synchronizaton for spamd/spamlogd

This adds an HMAC protected synchronization protocol for use by spamd and
spamlogd.

- spamd can receive updates from other hosts for GREY, WHITE, and TRAP

Database synchronizaton for spamd/spamlogd

This adds an HMAC protected synchronization protocol for use by spamd and
spamlogd.

- spamd can receive updates from other hosts for GREY, WHITE, and TRAPPED db
entries, and will update the local /var/db/spamd accordingly.

- spamd can send updates when it makes changes to the GREY or TRAPPED
entries in the db to other hosts running spamd. (Note it does not send
WHITE entries because the other spamd will see the GREY changes and have
complete information to make appropritate decisions)

- spamlogd can send updates for WHITE db entries that it performs on the local
db to other hosts running spamd, which will then apply them on remote hosts.

note that while this diff provides synchronization for changes made to the
spamd db by the daemons, it does *not* provide for sychonizing changes
to the spamd db made manually with the spamdb command.

Synchronization protocol and most of the work by reyk@,
with a bunch of the spamd, and spamlogd stuff by me.

testing mostly at the U of A, running happily there under big load.

ok reyk@ jmc@

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Flag day for spamd -
1) config files move to /etc/mail
2) -g option goes away in spamd-setup and spamd - greylisting is now the default
3) option change to spamd, -b addr becomes -l addr.
4) -b optio

Flag day for spamd -
1) config files move to /etc/mail
2) -g option goes away in spamd-setup and spamd - greylisting is now the default
3) option change to spamd, -b addr becomes -l addr.
4) -b option in spamd-setup and spamd to turn on old blacklisting mode.

Man page shortly to be flensed to make this easier to explain
ok deraadt@ millert@

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greytrapping improvements
1) remove requirement for <> around spamtrap addresses
2) add support for /etc/spamd/alloweddomains to specify
suffixes for which any destinations that don't match

greytrapping improvements
1) remove requirement for <> around spamtrap addresses
2) add support for /etc/spamd/alloweddomains to specify
suffixes for which any destinations that don't match
get trapped

various knf's by theo, feedback from jmc, millert, deraadt

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"Greytrapping" for spamd - allow for spamd greylisting to maintain
a list of spamtrap destination addresses in the spamd database. When
a spamtrap address gets an attempted greylist delivery, blackli

"Greytrapping" for spamd - allow for spamd greylisting to maintain
a list of spamtrap destination addresses in the spamd database. When
a spamtrap address gets an attempted greylist delivery, blacklist the
offending host for a day. Does not affect hosts already whitelisted.

ok deraadt@, jmc@, dhartmei@ to get it in so it can be whacked on

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Change the default passtime to 25 minutes,
MTA's with a quadratic retry schedule have a retry after 26 minutes, and
then again after an hour, so this probably makes a lot more sense than the
old 30 m

Change the default passtime to 25 minutes,
MTA's with a quadratic retry schedule have a retry after 26 minutes, and
then again after an hour, so this probably makes a lot more sense than the
old 30 minute default.

ok henning@

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Add ommitted copyright.

paranoia; beck ok

Add -g option for greylisting support for spamd. The greylisting techinque
originates from a paper by Evan Harris which can be found at
http://projects.puremagic.com/greylisting/. This implementation

Add -g option for greylisting support for spamd. The greylisting techinque
originates from a paper by Evan Harris which can be found at
http://projects.puremagic.com/greylisting/. This implementation makes
spamd allow for non-blacklisted addresses to be treated as "greylisted".
where they are tracked in a db file, and whitelisted by addition to a
pf table when the same envelope from and to are retried from the same
source IP address. Testing by many, ok deraadt@

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