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From David Jones <>
Subject Re: Filtering outbound mail
Date Thu, 16 Feb 2017 14:49:04 GMT
>From: Christian Grunfeld <>
>Sent: Thursday, February 16, 2017 8:29 AM
>To: Spamassassin List
>Subject: Re: Filtering outbound mail

>Why not rate limiting? I think everyone is doing it....I do...

> Cluebringer quotas can track one to one, one to many and
>many to one (botnets) in both directions (as sender or recipients)

Many of the SMTP sending software that my customers
use are not full MTAs with queuing capabilities so some email
would be lost if I rate limited.  I also have stupid mail sending
devices like scanners/copiers that could get lumped in with
other SMTP traffic coming out of the same IP due to NAT.
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