Re: [exim] Assistance with Rate Limiting

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Autor: Eric Schoeller
Data:  
Para: exim-users
Asunto: Re: [exim] Assistance with Rate Limiting
Thanks for your reply! Yes, unfortunately you were right - I can't
change outbound providers.

So 'connection_max_messages' , 'max_rcpt' and 'max_parallel' can all be
placed under the 'remote_smtp_smarthost' and 'remote_smtp' transport
sections, correct? I tried applying some low values to these and
unfortunately our outbound provider still complained with a '452 Too
many recipients received from the sender' message today during an
incident we had.

Eric.

On 9/16/21 5:50 AM, Jeremy Harris via Exim-users wrote:
> On 13/09/2021 05:20, Eric Schoeller via Exim-users wrote:
>> 10 messages per connection
>
> connection_max_messages transport option
>
>> 100 recipients per message
>
> max_rcpt transport option
>
>> 10 concurrent connections per IP
>
> max_parallel transport option
>
>> 3600 recipients per hour per host
>> 3600 recipients per hour per envelope sender
>
> These are much harder.  Get a better outbound provider or
> cut down your requirements or run your own outbound.
>
> No doubt you will say noe of those are viable.
>
> Next, define those more tightly - for instance: in any
> one clock hour in the Pune timezone?  Average exponentially-decayed
> ona 10-hour scale?  Then have a hunt in the Exim Wiki;
> there's a page on possible routes towards outbound rate-limiting.
>