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John Hardin <email@example.com> wrote:
> On Fri, 8 Jul 2011, Lars JĂ¸rgensen wrote:
>>>> $sa_tag2_level_deflt = 5.2; # add 'spam detected' headers at that level
>>>> $sa_kill_level_deflt = 6.2; # triggers spam evasive actions (e.g. blocks mail)
>>> That seems a little aggressive to me. Personally I'd prefer a larger
>>> margin of error for FPs, and would set the discard level to 9 or 10
>>> (unless the "evasive actions" include "quarantine for review").
>> "evasive actions" do indeed include quarantine. No-quarantine-cutoff is set at 20, which may be a bit high, but we got room for it.
> So, tag at 5.2, quarantine at 6.2, discard at 20? That sounds
> reasonable to me, assuming the quarantine is readily accessible for
If you want to treat email as *RELIABLE* delivery service then
avoid discarding at high cost - reject in SMTP session to make
*sending host* responsible for sending bounce message.
[ It can be done using milters with both sendmail and postfix ]
I do remember situation in which receiving MTA simply discarded
important message from one of my users and it took a few days for
sender *and recipient* to find out that message has been silently
*sender assumed that recipient reads it in silence,
* recipient assumed in silence that those [...] longer have not sent it yet
I can treat it as funny *today* but it was not funny.
-- [pl>en: Andrew] Andrzej Adam Filip : firstname.lastname@example.org The power to destroy a planet is insignificant when compared to the power of the Force. -- Darth Vader