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From "@lbutlr" <krem...@kreme.com>
Subject Re: Filtering outbound mail
Date Sat, 18 Feb 2017 02:24:23 GMT
On 2017-02-17 (14:51 MST), David Jones <djones@ena.com> wrote:
> 
>> From: @lbutlr <kremels@kreme.com>
> .Sent: Friday, February 17, 2017 3:41 PM
>> To: users@spamassassin.apache.org
>> Subject: Re: Filtering outbound mail
>     
>> On 2017-02-16 (07:21 MST), David Jones <djones@ena.com> wrote:
>>> 
>>>> From: Christian Grunfeld <christian.grunfeld@gmail.com>
>>>> Sent: Thursday, February 16, 2017 7:50 AM
>>>> To: Spamassassin List
>>>> Subject: Re: Filtering outbound mail
>>>> 
>>>> Are you using postfix as MTA? I use cluebringer suite which
>>>> has a lot of functionality (spf checks, helo checks, greylist
>>>> and quotas)
>>> 
>>> I am using Postfix and cluebringer does looks pretty slick
>>> so I will check into that.
>>> 
>>>> Quotas are fully configurable by tracking inbound and
>>>> outbound trafic by ip, sasl user, etc
>>> 
>>> These outbound senders are my own internal customers
>>> smarthosting through my mail relays so I can't do things
>>> like rate limiting, greylisting, SPF checks, HELO checks,
>>> etc. on them like I do for Internet inbound mail.
> 
>> Oh yes you can, and yes you should. At the very least a
>> sane rate-limit will catch instances where customers get
>> compromised.
> 
> Not all compromised accounts these days blast out at a
> high rate like we used to see years ago.  I have had a few
> sneaky ones recently trickle spam through to stay below
> the radar so rate-limiting is not the answer with outbound
> mail

I never said it was THE answer, but it most certainly is AN answer.


-- 
Apple broke AppleScripting signatures in Mail.app, so no random signatures.


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