[exim] Re: delay not kicking in

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Author: Jeremy Harris
Date:  
To: exim-users
Subject: [exim] Re: delay not kicking in
On 02/06/2023 10:41, James via Exim-users wrote:
> On 01/06/2023 21:37, Julian Bradfield via Exim-users wrote:
>> In response to the recent RCPT-flooding attacks, I changed my
>> acl_check_rcpt verification check to say:
>>    deny
>>     domains = +local_domains
>>     !local_parts = postmaster
>>     !verify = recipient
>>     message = Unknown user
>>     delay = 5s


>> However, in the exim log file I'm still seeing 99 denied RCPT commands
>> all with the same timestamp.
>>
>> How can this be?
>
> acl_check_rcpt's deny applies to the RCPT not the connection.  This is like if there is one non-existent recipient in a batch then only that is denied and the rest are delivered.  In your case it tests 99 and denies 99.


That's missing his point; he's not seeing a delay between log lines
for the denials.
--
Cheers,
Jeremy


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