At 4PM -0500 on 29/07/13 you (Stan Hoeppner) wrote: > On 7/29/2013 2:30 AM, Jan Behrend wrote: > > > You cannot use the LDA method if SMTP and IMAP services reside on > > different machines, which would be the case in larger scale mail system > > setups. > > Which brings up an interesting point. With a single LMTP daemon on the > Dovecot server communicating via a single socket with the upstream MTA > over the wire, it would stand to reason that message throughput rate may > be limited by serialization in the LMTP request/reply chain. There is > no parallelism, and thus there is relatively high latency.
What makes you think an SMTP server delivering over LMTP only makes a single connection to the LMTP server? I believe Postfix by default makes a fresh connection for each delivery. Ben
