On 2017-02-15 16:30, Tom Hendrikx wrote:
Note that the period that you describe as 'seen by SA a bit later' is
typically less than a second.
On 16-02-17 06:22, Ian Zimmerman wrote:
Not in my case. I have a custom Exim configuration where I
intentionally wait for a period of time (currently 4
Am 16.02.2017 um 11:07 schrieb David Jones:
> My mail filters also do a lot of outbound relaying from hundreds
> of customer mail servers. Compromised accounts happen and I
> have some methods for detecting most of them and block the
> sender at the MTA within a few minutes to prevent my server
>
>From: Reindl Harald
>Sent: Thursday, February 16, 2017 8:55 AM
>To: David Jones; Spamassassin List
>Subject: Re: Filtering outbound mail
Am 16.02.2017 um 15:49 schrieb David Jones:
>> From: Christian Grunfeld
>> Sent: Thursday, February 16, 2017 8:29 AM
>> To: Spamassassin List
>> Subject:
>From: Dianne Skoll
>Sent: Thursday, February 16, 2017 8:30 AM
>To: users@spamassassin.apache.org
>Subject: Re: Filtering outbound mail
>On Thu, 16 Feb 2017 10:07:46 +
>David Jones wrote:
>> Would it make sense for me to setup/manage my own custom
>> rules for checking the To: header or
2017-02-16 11:49 GMT-03:00 David Jones :
>
>
> 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
> oth
>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 itI do...
> Cluebringer quotas can track one to one, one to many and
>many to one (botnets) in both directions (
On Thu, 16 Feb 2017 10:07:46 +
David Jones wrote:
> Would it make sense for me to setup/manage my own custom
> rules for checking the To: header or could the FreeMail plugin
> be extended to add new rules like FREEMAIL_TO?
The To: header may not contain useful information. I don't think
the
Why not rate limiting? I think everyone is doing itI do...
Cluebringer quotas can track one to one, one to many and many to one
(botnets) in both directions (as sender or recipients)
2017-02-16 11:21 GMT-03:00 David Jones :
> >From: Christian Grunfeld
> >Sent: Thursday, February 16, 2017
>From: Christian Grunfeld
>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 cluebr
Are you using postfix as MTA? I use cluebringer suite which has a lot of
functionality (spf checks, helo checks, greylist and quotas)
Quotas are fully configurable by tracking inbound and outbound trafic by
ip, sasl user, etc
2017-02-16 9:44 GMT-03:00 David Jones :
> >From: Axb
> >Sent: Thurs
>From: Axb
>Sent: Thursday, February 16, 2017 4:54 AM
>To: users@spamassassin.apache.org
>Subject: Re: Filtering outbound mail
>On 02/16/2017 11:07 AM, David Jones wrote:
>> Would it make sense for me to setup/manage my own custom
>> rules for checking the To: header or could the FreeMail plu
On 02/16/2017 11:07 AM, David Jones wrote:
Would it make sense for me to setup/manage my own custom
rules for checking the To: header or could the FreeMail plugin
be extended to add new rules like FREEMAIL_TO?
To block outbound bursts using SA is probably the most inneficient method.
Fai2ban i
My mail filters also do a lot of outbound relaying from hundreds
of customer mail servers. Compromised accounts happen and I
have some methods for detecting most of them and block the
sender at the MTA within a few minutes to prevent my server
IPs from becoming listed on RBLs.
Customer mail serve
On 16-02-17 06:22, Ian Zimmerman wrote:
> On 2017-02-15 16:30, Tom Hendrikx wrote:
>
>> Note that the period that you describe as 'seen by SA a bit later' is
>> typically less than a second.
>
> Not in my case. I have a custom Exim configuration where I
> intentionally wait for a period of tim
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