Re: [exim] too many connections

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Author: Michael Connors
Date:  
To: xyon
CC: 'exim users'
Subject: Re: [exim] too many connections
xyon wrote:
> Sorry, to be more specific, this section:
>
> http://www.exim.org/exim-html-current/doc/html/spec_html/ch14.html#SECID112
>
> On Fri, 2007-08-31 at 13:02 -0400, xyon wrote:
>
>> Perhaps setting 'smtp_receive_timeout' to something lower will get rid
>> of those stale connects sooner, thus creating some available slots
>> quicker?
>>
>> Perhaps this chapter will help:
>>
>> http://www.exim.org/exim-html-current/doc/html/spec_html/ch14.html
>>
>> On Fri, 2007-08-31 at 17:18 +0100, Michael Connors wrote:
>>
>>> Hi,
>>> I have an exim mail server with the max number of connections set to 150.
>>> It has been running fine but over the last week or so, I am getting
>>> large numbers of established smtp connections to my machine even when
>>> the mail queue is completely clear.
>>> Because of this I am ending up dropping connections. I would rather not
>>> increase the limit because that real problem is the large number of
>>> connections and not the current limit.
>>>
>>> Could this be some sort of attempted dos attack?
>>> Regards,
>>>
>>> --
>>> Michael
>>>
>>>
>>>
>
>

Hi,
I decreased the timeout and it seems to have helped to some extent.
Thanks,
Michael


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Michael Connors
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