On Wed, 2010-09-01 at 21:08 +0200, Giovanni Giorgi wrote:

Hi, I am using the virtual plugin on divecot2. It seems a bit slow
when accessing from my iPhone. How can I speed it up? The full text
search plugin can help?

It depends on what exactly is slow. You could try figuring that out by seeing what IMAP commands take the longest to reply. With Dovecot v2.0 this is easy by enabling rawlog with -t parameter to get timestamps. With v1.x you'd need to use wireshark or something.