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From: Patrick Chemla on 4 May 2010 16:22
Hi,

I wonder if there is a way to group messages deliveries to specific
domains on a single persistent smtp connexion.

I mean, if in the queue, I have some messages to deliver to one domain,
I would like to deliver them during one single persistent connexion,
instead of closing and opening a new connexion for each message.

Some ISPs told me they prefer to receive for example 50 messages to
different recipients during one connexion, than getting 50 different new
connexion.

Maybe there is some parameters to manage persistent connexions?

Thanks for help.

Patrick

From: Eero Volotinen on 4 May 2010 16:27
2010/5/4 Patrick Chemla <patrick.chemla(a)perfaction.net>:
> Hi,
>
> I wonder if there is a way to group messages deliveries to specific domains
> on a single persistent smtp connexion.
>
> I mean, if in the queue, I have some messages to deliver to one domain, I
> would like to deliver them during one single persistent connexion, instead
> of closing and opening a new connexion for each message.
>
> Some ISPs told me they prefer to receive for example 50 messages to
> different recipients during one connexion, than getting 50 different new
> connexion.
>
> Maybe there is some parameters to manage persistent connexions?

how about: http://www.postfix.org/CONNECTION_CACHE_README.html#summary

--
Eero

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