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.
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