From: "Jesse Norell" <[EMAIL PROTECTED]> > Having said that, I think it was dbmail-smtp performance we > improved by removing those indexes (ie. because the database doesn't > have as many indexes to maintain). I think we did do some optimizing > for pop3 too, though, but I don't know that it (ie. having the > imap indexes or not) was as noticable there.
That makes sense since dbmail-smtp does the inserting into the database and that is what indexes slow down. Indexes could have a negative effect on pop3 since it deletes the messages from the database, but that should be much smaller than the effect on smtp. Matthew