Milter-greylist

I recently started using milter-greylist, and I seem to sometimes have
mail get stuck in retries.

The system in question is a FreeBSD 6-STABLE box, and the
milter-greylist version is 3.0 from the ports collection.

My configuration is pretty simple; mostly whitelist, except for some
unusually spammy victims.  The line from greylist.conf that applies is:

acl greylist list "grey users" delay 5m autowhite 36d

In troubleshooting the "some mail doesn't get through", I looked in
the database dumps, and was very surprised to see the same IP address
/ source / dest tuple repeated quite a number of times.  Here's an
example (destination email address hidden, but all are the same) in the
auto-whitelisted section:

64.49.216.216   <community@...>    <email-address@...>        1171333104 AUTO # 2007-02-12 18:18:24
64.49.216.216   <community@...>    <email-address@...>        1171341198 AUTO # 2007-02-12 20:33:18
64.49.216.216   <community@...>    <email-address@...>        1171371396 AUTO # 2007-02-13 04:56:36
64.49.216.216   <community@...>    <email-address@...>        1171405977 AUTO # 2007-02-13 14:32:57
64.49.216.216   <community@...>    <email-address@...>        1171409207 AUTO # 2007-02-13 15:26:47
64.49.216.216   <community@...>    <email-address@...>        1171465700 AUTO # 2007-02-14 07:08:20
64.49.216.216   <community@...>    <email-address@...>        1171483355 AUTO # 2007-02-14 12:02:35
64.49.216.216   <community@...>    <email-address@...>        1171559958 AUTO # 2007-02-15 09:19:18
64.49.216.216   <community@...>    <email-address@...>        1171578987 AUTO # 2007-02-15 14:36:27

I also see multiple identical (except for time) entries in the pending dump:

202.54.124.152  <bardept99@...>      <email-address@...>      1168538648 # 2007-01-11 10:04:08
202.54.124.152  <bardept99@...>      <email-address@...>      1168539088 # 2007-01-11 10:11:28
202.54.124.152  <bardept99@...>      <email-address@...>      1168540329 # 2007-01-11 10:32:09
202.54.124.152  <bardept99@...>      <email-address@...>      1168542368 # 2007-01-11 11:06:08
202.54.124.152  <bardept99@...>      <email-address@...>      1168545208 # 2007-01-11 11:53:28
202.54.124.152  <bardept99@...>      <email-address@...>      1168548848 # 2007-01-11 12:54:08
202.54.124.152  <bardept99@...>      <email-address@...>      1168553288 # 2007-01-11 14:08:08
202.54.124.152  <bardept99@...>      <email-address@...>      1168558530 # 2007-01-11 15:35:30
202.54.124.152  <bardept99@...>      <email-address@...>      1168564569 # 2007-01-11 17:16:09

I haven't dived into the source yet to see what debugging taps I can
stick in, but thought I'd ask in case it's a simple "oh, yeah, go
do <x> in your configuration" type question.

Thanks!


-- 
Steve Watt KD6GGD  PP-ASEL-IA          ICBM: 121W 56' 57.5" / 37N 20' 15.3"
 Internet: steve @ Watt.COM                      Whois: SW32-ARIN
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