On Fri, Jan 18, 2013 at 11:36 AM, Viktor Dukhovni <
[email protected]> wrote:

> Yes, they are willing to cripple SMTP and expect everyone to cope,
> because they are too big to ignore. :-)
>

Sad, but true.


> At that point you may not even need rate delays, just set a modest
> concurrency, and typical SMTP transaction latency of 0.2-0.5s (
> with spam checks, RBL lookups, ...) will give you at most 2-5
> messages per unit concurrency per second.
>

Would this be considered "modest?"

yahoo_initial_destination_concurrency = 1
yahoo_destination_concurrency_limit = 4
yahoo_destination_recipient_limit = 2
#yahoo_destination_rate_delay = 2s
yahoo_connect_timeout=3s
yahoo_connection_cache_on_demand=no

Thx,

SteveJ

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