On 6/28/2012 10:18 AM, James B. Byrne wrote: > > On Thu, June 28, 2012 13:41, Noel Jones wrote: > >> cyrus_destination_recipient_limit=1 means deliver a maximum of one >> recipient to each "cyrus" transport defined in master.cf, which >> pipes to the cyrus "deliver" program; there may be multiple >> processes running in parallel. >> >> Apparently some versions of cyrus "deliver" program are unable to >> properly handle more than one recipient at a time. I don't know >> which versions this limitation may apply to. >> >> It appears to me that lmtp, rather than pipe, is the preferred >> transport for modern cyrus installations, so this is likely an >> ancient example still hanging around in master.cf. Treat this entry >> as a sample rather than as "this is how you do it". > > That is how I was treating it, up to the point that it was suggested > cyrus deliver was necessary to handle delivery to virtual_mailboxes.
One example configuration does not exclude other possible configurations. > >> >> The choice of lmtp vs. pipe as a delivery transport has no direct >> effect on the choice of a local domain vs. a virtual mailbox domain. >> > To clarify this for me. Given that I am constrained to use cyrus-imap > for final delivery to the users' mailbox, if lmtp is the desired value > for mailbox_transport when using cyrus then does this extend to > virtual_transport as well? In other words, if using cryus-imapd > should virtual_transport = lmtp as well? If not then why not? A postfix "transport" is simply an entry in master.cf. Several are provided in the default master.cf and you're free to define other transports as needed. The main.cf virtual_transport parameter specifies which transport -- which entry in master.cf -- should be the default delivery mechanism for virtual_mailbox_domains. It can be anything that makes sense in your situation. Assuming your cyrus lmpt is listening on a unix socket /some/where/lmtp and a virtual mailbox domain, you would use virtual_transport = lmtp:unix:/some/where/lmtp http://www.postfix.org/postconf.5.html#virtual_transport http://www.postfix.org/smtp.8.html (the postfix lmtp transport is implemented within the smtp(8) program) -- Noel Jones
