Cyrus Postfix LMTP tuning
morgan at orst.edu
Fri Oct 14 14:14:28 EDT 2011
On Thu, 13 Oct 2011, John Madden wrote:
>> Our Postfix relays (there are 3) seem to make one lmtp connection per
>> message, rather than sending multiple messages down a single connection.
>> Do any Cyrus+Postfix users out there have tuning recommendations? I see a
>> lot of postfix lmtp_* config options, but I know little about Postfix.
> I make no guarantees about these, but try this out:
> lmtp_destination_concurrency_limit = 50
> lmtp_destination_recipient_limit = 5000
> lmtp_connection_cache_on_demand = no
> lmtp_data_done_timeout = 3600s
Why do you set lmtp_connection_cache_on_demand = no?
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