lmtpd timeout

Etienne Goyer etienne.goyer at linuxquebec.com
Thu Nov 13 09:26:00 EST 2003

This is slightly OT as it relate more to Postfix than Cyrus/sendmail,
but the following got me thinking :

On Wed, Nov 12, 2003 at 09:09:17PM +0100, Andrzej Filip wrote:
> Have you considered making sendmail "chain" deliveries to cyrus via LMTP ?
> * multiple messages over single LMTP connection
> * a small delay before delivery (<30s for most messages)

I want to optimize the Posftix -> Cyrus lmtpd delivery process.  I have
been reading the Postfix lmtp(8) man page, and I thought about adding
the following directives :

lmtp_cache_connection <- any gain when delivering to Unix socket ?

lmtp_destination_concurrency_limit <- how many ?

local_destination_recipient_limit = 200 <- I guess the higher, the better

Are there any other thing that I can do to improve the performance of
Postfix -> Cyrus LMTP delevery ?  Your comments are very welcome.


Etienne Goyer                    Linux Québec Technologies Inc.
http://www.LinuxQuebec.com       etienne.goyer at linuxquebec.com

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