On 16.2.2012, at 8.25, Andy YB Hu wrote: > Sounds a little tricky. For backend server, director makes sense. But for > LDA, it's also suggested to deploy the LDA on the same machine with backend > server? Topologically, it's very possible the machine where LDA is running > is separated from one of backend server.
MTA/Antivirus/Antispam is often in a separate backend server, but it can do the actual mail writing by sending the mail to Dovecot via LMTP via director.
