"jmaimon@ttec.com" <jmaimon@ttec.com> writes:

> Paul Aviles wrote:
>> In a busy server with thousands of outbound connections, is it possible to
>> somehow group those connections better by domain? IE, make sendmail realize
>> that there are a bunch of messages for domain A and if possible send those
>> with one connection to the respective domain?
>>
>> Regards,
>>
>> -pa
>
>>From doc/op
>
> 4.10. Connection Caching
>
> When processing the queue, sendmail will try to
> keep the last few open connections open to avoid
> startup and shutdown costs. This only applies to IPC
> and LPC connections.
> [...]

Sendmail by default uses DeliveryMode=backgroud and delivers most
messages at once *WITHOUT* "processing the queue".

--
[pl2en: Andrew] Andrzej Adam Filip : anfi@priv.onet.pl : anfi@xl.wp.pl