Am 10.06.2016 um 04:49 schrieb Bill Cole:
On 9 Jun 2016, at 0:53, Henrik K wrote:

Garbage text/plain is known problem..

text/html too. From GMail.

Last week I had a *perfectly legitimate* message with a 151KB logical
single line of HTML (QP encoded of course) freeze up a server scaled for
10k users. It did it slowly over a day, because it took a spamd child
~20 minutes to scan

why in the world do you allow a single spamd child to scan 20 minutes for a message and what happens if all your childs have such mails to proceed - that's hardly scaled for 10k users on rainy days

time_limit 20

read the manual, it works like shortcircuit meaning all other rules already finished (RBL/URIBL in any case) will give their score and so you don't open the machine widely while stop easy DOS attacks with handcrafted mails

if the server is not a feature-phone when you don't have a result within 20 seconds you hardly get one 5 minutes later (besides that in a proper setup rejecting based on teh result the client don't wait that long and comes again and again)

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