[Dovecot] index synchronization during local delivery

[Timo Sirainen]

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.